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XCR 6mm ARC Rifle | Robinson Armament XCR-L in 6mm ARC – Precise & Modular

Whether you are dialing in long-range varmint shots, hunting predators at extended distances, or competing in precision rifle events, you need a platform that fully unlocks the potential of the 6mm ARC cartridge. The Robinson Armament XCR-L isn’t just another rifle chambered in this caliber; it is a purpose-built, piston-driven machine engineered for superior accuracy, reliability, and versatility.

Why the XCR-L is the Ultimate 6mm ARC Platform

The 6mm ARC delivers exceptional ballistic coefficient, flat trajectory, and retained energy at distance—making it a standout choice for modern precision and hunting applications. To maximize its performance, you need a rifle that handles a wide range of bullet weights and velocities while staying clean, cool, and adaptable.

  • Adjustable Gas System: Our 8-position gas dial lets you fine-tune the XCR-L for any 6mm ARC load. Run it on a mid range setting for standard ammunition, set it lower when using it with a suppressor, or turn it up all the way for some lighter loads.
  • True Multi-Caliber Versatility: The XCR’s modular design means you can swap from 6mm ARC to 5.56 NATO, 6.5 Grendel, .224 Valkyrie, 7.62×39, or other popular calibers in minutes with a simple barrel, bolt, and mag change. Explore the full range of XCR calibers on our XCR Calibers page.
  • Gas Piston Reliability: Unlike traditional direct impingement systems that blow carbon and grit back into the action, the XCR’s long-stroke piston keeps your 6mm ARC rifle running cleaner and cooler—even during high round counts or precision-focused sessions.

Features Optimized for 6mm ARC performance

Ambidextrous Controls: Intuitively placed charging handle, bolt catch, mag release, and safety allow the operator to keep eyes on target while performing all manual functions with either hand.

Non-Reciprocating Charging Handle with Forward Assist: Located far from the top rail to avoid interference with precision optics. Easy to access with either hand and includes a forward assist feature.

Monolithic Upper: Provides a strong, continuous top rail for sights, optics, and accessories. Top and side rails are parallel to the bore for easy sighting in and calibration—ideal for long-range precision setups.

Folding Telescopic Stock: Can be fired when folded and collapses for compact transport or maneuverability in the field. Fully adjustable for length of pull and cheek height.

6mm ARC Rifle, Pistol, or SBR: Your Choice

At Robinson Armament, we understand that “one size fits all” doesn’t apply to precision shooters and hunters. We offer the XCR-L in various configurations to suit your specific needs for a 6mm ARC firearm:

  1. The XCR-L Standard (Pistol/Rifle/SBR):  The Standard upper receiver is 17′ long and the gas block is outside the upper.  It Accepts 6mm ARC barrels in our full range of barrel lengths 11″–18.6″ range (and even shorter for other calibers).   The sweet spot for balanced handling and velocity—perfect for general-purpose precision shooting, varmint hunting, or mid-range work. Easily converts across the XCR caliber family.
  2. The XCR-L Mid (Pistol/Rifle/SBR):  The Mid upper receiver is 19.75″ long giving a longer sight radius and more handguard area.  This model supports 6mm ARC barrels from 12″–18.6″ in length.   Excellent choice for long-range predator hunting, target competition, or maximizing the cartridge’s inherent accuracy and energy retention at distance. Fully convertible to other calibers.
  3. The XCR-L Comp (Rifle/SBR):   The Competition upper receiver is 22.5″ long.    For those wanting maximum sight radius and longest hanguard, this model supports longer 6mm ARC barrels (14.7″–18.6″). Excellent choice for long-range predator hunting, target competition, or maximizing the cartridge’s inherent accuracy and energy retention at distance. Fully convertible to other calibers.

“The XCR-L in 6mm ARC is an absolute tack driver. The adjustable gas system lets me optimize for different loads and suppressors, while the quick caliber swaps make it the most versatile precision platform I own. Smoother and more reliable than any DI AR I’ve run.” — Satisfied XCR-L Owner

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XCR-L in 7.62×39 – Robinson Armament XCR-L 7.62×39 Rifle | Modular & Reliable

xcr-l mini 7.62x39

Whether you’re at the range, hunting medium game in the woods, or need a hard-hitting home defense or duty rifle, you need a platform that fully unlocks the potential of the 7.62×39 cartridge. The Robinson Armament XCR-L isn’t just another AK alternative; it is a purpose-built, piston-driven rifle engineered for superior reliability, smoother shooting, and true multi-caliber versatility.

Why the XCR-L is the Ultimate 7.62x39 Platform

The 7.62×39 is a proven, battle-tested cartridge known for its stopping power and affordability. To get the most out of it, you need a rifle that runs cleaner and more reliably than traditional designs — especially with steel-case ammo or when running suppressed.

  • Adjustable Gas System: Our 8-position gas dial lets you fine-tune the XCR-L for any 7.62×39 load or suppressor setup. Dial it down for soft-shooting suppressed fire or open it up for maximum reliability with steel-case or surplus ammo.
  • True Multi-Caliber Versatility: Swap from 7.62×39 to 5.56 NATO, .300 BLK, 6.8 SPC, 6.5 Grendel, or other calibers in minutes with a simple barrel and bolt change.
  • Gas Piston Reliability: The long-stroke piston system keeps carbon and grit out of the action, resulting in a cleaner, cooler-running rifle that stays reliable even after thousands of rounds of affordable steel-case ammunition.

Features Optimized for 7.62x39 performance

Ambidextrous Controls: Intuitively placed charging handle, bolt catch, mag release, and safety allow the operator to keep eyes on target while manipulating the rifle with either hand.

Non-Reciprocating Charging Handle with Forward Assist: Positioned away from the top rail to avoid interference with optics. Easy to access from either side and includes a forward assist.

Monolithic Upper: Delivers a strong, continuous top rail perfectly aligned with the bore for easy zeroing of optics and accessories.

Folding Telescopic Stock: Can be fired folded and collapses for maximum compactness. Fully adjustable for length of pull and cheek height.

7.62x39 Rifle, Pistol, or SBR: Your Choice

Robinson Armament offers the XCR-L in multiple configurations to match your needs for a 7.62×39 firearm:

  1. The XCR-L Mini (Pistol/SBR): With a 7.5″ barrel, this is the most compact 7.62×39 option. Ideal for CQB, vehicle use, or when maximum maneuverability is required. Can be converted to 5.56 NATO, .300 BLK, and other calibers.
  2. The XCR-L Standard (Pistol/Rifle/SBR): Accepts 7.62×39 barrels from 9.5″ to 16″. The 12″–14.7″ range offers an excellent balance of velocity, handling, and power, while a 16″ barrel maximizes ballistic performance.
  3. The XCR-L Mid (Pistol/Rifle/SBR): Designed for slightly longer barrels and handguards. Accepts 7.62×39 barrels from 12″ to 18.6″, giving you more velocity and a longer sight radius while maintaining excellent control.

“The XCR-L in 7.62×39 is incredibly soft-shooting and reliable. It eats steel-case ammo without issue and the quick caliber change makes it the most versatile rifle I own.” — Satisfied XCR-L Owner

Experience the Robinson Armament Difference

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XCR-L in 5.56 NATO – Robinson Armament XCR-L 5.56 Rifle | Modular & Reliable

300 blackout

Whether you’re at the range, in the field for varmint or predator hunting, or need a dependable home defense or duty rifle, you need a platform that maximizes the potential of the 5.56 NATO cartridge. The Robinson Armament XCR-L isn’t just another AR-15 alternative; it is a purpose-built, piston-driven rifle engineered for superior reliability, smoother shooting, and true multi-caliber versatility.

Why the XCR-L is the Ultimate 5.56 Platform

The 5.56 NATO is one of the most popular and versatile cartridges in the world. To get the most out of it, you need a rifle that runs cleaner, cooler, and more reliably than traditional direct impingement systems—especially when pushing high round counts or running suppressed.

  • Adjustable Gas System: Our 8-position gas dial lets you fine-tune the XCR-L for any 5.56 load or suppressor setup. Dial it down for soft-shooting suppressed fire or open it up for maximum reliability with steel-case or underpowered ammo.
  • True Multi-Caliber Versatility: Swap from 5.56 NATO to .300 BLK, 7.62×39, 6.8 SPC, .224 Valkyrie, 6mm ARC, or other calibers in minutes with a simple barrel and bolt change.
  • Gas Piston Reliability: The long-stroke piston system keeps carbon and grit out of the action, resulting in a cleaner, cooler-running rifle that stays reliable even after thousands of rounds.
  • True Multi-Caliber Versatility: The XCR’s modular design means you can swap from 5.56 NATO to .300 BLK or 7.62×39 in minutes swapping out just a few parts.
  • Gas Piston Reliability: Unlike traditional DI systems that blow carbon and grit back into your action—especially when suppressed—the XCR’s long-stroke piston keeps your 300 Blackout rifle running smoother, cleaner and cooler

Features Optimized for 5.56 performance

Ambidextrous Controls: Intuitively placed charging handle, bolt catch, mag release, and safety allow the operator to keep eyes on target while manipulating the rifle with either hand.

Non-Reciprocating Charging Handle with Forward Assist: Positioned away from the top rail to avoid interference with optics. Easy to access from either side and includes a forward assist.

Monolithic Upper: Delivers a strong, continuous top rail perfectly aligned with the bore for easy zeroing of optics and accessories.

Folding Telescopic Stock: Can be fired folded and collapses for maximum compactness. Fully adjustable for length of pull and cheek height.

5.56 Rifle, Pistol, or SBR: Your Choice

Robinson Armament offers the XCR-L in multiple configurations to match your needs for a 5.56 NATO firearm:

  1. The XCR-L Mini (Pistol/SBR):  The Mini Upper is 15.25″ long and accepts only a 7.5″ barrels which are covered up to the muzzle threads.  The Mini is the most compact 5.56 option. Ideal for CQB, vehicle use, or when maximum maneuverability is required. Can be converted to .300 BLK, 7.62×39, and .338 ARC.
  2. The XCR-L Standard (Pistol/Rifle/SBR):  The Standard is our most flexible model.    Its upper is 17″ long and cover a 9.5″ barrel up to the muzzle threads.   It accepts 5.56 NATO barrels in  9.5″, 11″, 12″, 14.7″, 16″ and 18.6″ allowing it  to allowing it to be used for everything from Close Quarter Combat (CQC) to precision long range shooting.   It is available in all the calibers we offer.
  3. The XCR-L Mid (Rifle/SBR):  The Mid upper is 19.75″ long.   It was designed to cover a 12″ barrel up to the muzzle treads.   Accepts 5.56 NATO barrels in 12″, 14.7″, 16″, and 18.5 lengths in most calibers.   The model maximizes sight radius and handguard length for shorter or longer barrels.
  4.  The XCR-L Comp (Rifle/SBR):   The Competition upper receiver is 22.5″ long.  It covers a 14.7″ barrel up to the muzzle threads.   It also accepts 5.56 NATO Barrels in 16″, and 18.6″ lengths in most the calibers we offer..  This model maximizes right radius and handguard length.   We named it the Competition because it’s often used by 3 Gun match competitors.

Experience the Robinson Armament Difference

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XCR 300 Blackout Rifle | Robinson Armament XCR-L in .300 BLK – Suppressed & Modular

300 blackout

Whether you are navigating tight quarters or heading into the woods for a hunt, you need a platform that maximizes the potential of the 300 Blackout cartridge. The Robinson Armament XCR-L isn’t just another rifle chambered in this caliber; it is a purpose-built, piston-driven machine designed to deliver the ultimate suppressed experience.

Why the XCR-L is the Ultimate 300 Blackout Platform

The 300 Blackout was designed to provide superior terminal ballistics and effortless suppression. To get the most out of it, you need a rifle that handles the pressure variances between subsonic and supersonic loads without missing a beat.

  • Adjustable Gas System: Our 8-position gas dial allows you to fine-tune your XCR-L for any 300 Blackout load. Run it wide open for heavy subsonics with a suppressor, or dial it back for high-velocity supersonic rounds.
  • True Multi-Caliber Versatility: The XCR’s modular design means you can swap from 300 Blackout to 5.56 NATO or 7.62×39 in minutes with a simple barrel and bolt change.
  • Gas Piston Reliability: Unlike traditional DI systems that blow carbon and grit back into your action—especially when suppressed—the XCR’s long-stroke piston keeps your 300 Blackout rifle running cleaner and cooler.

Features Optimized for 300 Blackout performance

Ambidextrous Controls: Intuitively placed charging handle, bolt catch, mag release, and safety allow the operator to keep his eyes on the target while performing all manual functions with either hand.
Non-Reciprocating Charging Handle with Forward Assist:  The charging handle is located far from the top rail to avoid interference with optics mounted on top.  It’s easy to access with either hand and contains a forward assist feature.
Monolithic Upper: Provides a strong, continuous top rail for sights and optics.   The top and side rails are parallel to the rifle bore so sighting in and calibration of other accessories is easy. 
Folding Telescopic Stock: Can be fired when folded and is compact to fit into small spaces such as a backpack.  Fully adjustable for length and height.

300 Blackout Rifle, Pistol, or sBR: Your Choice

At Robinson Armament, we understand that “one size fits all” doesn’t apply to the modern shooter. We offer the XCR-L in various configurations to suit your specific needs for a 300 Blackout firearm:

  1. The XCR-L Mini (Pistol/SBR): Featuring a 7.5″ barrel, this our most compact 300 Blackout .   Fits nicely in a backpack yet packs a powerful punch.  For some ammo, a suppressor is required to shoot subsonic ammo.  It can be converted to 5.56, 7.62×39, and 338 ARC.

  2. The XCR-L Standard (Pistol/Rifle/SBR):   Accepts 300 Blackout Barrels from 9.5″ to 16″ in length.  With a 9.5″ barrel it can shoot both sub and super sonic 300 Blackout with or without a suppressor.   Using 16″ barrel, you get the full velocity potential of supersonic 300 Blackout rounds, making it an ideal choice for hog hunting or home defense.

    3. The XCR-L Mid (Pistol/Rifle/SBR):  Want a little longer barrel or handguard?  This model Accepts 300 Blackout barrels from 12″ to 16″ in length.  With a 12″ barrel it can shoot both sub and super sonic 300 Blackout with or without a suppressor.   Using 16″ barrel, you get the full velocity potential of supersonic 300 Blackout rounds, making it an ideal choice for hog hunting or home defense.

    “The XCR in 300 Blackout is the smoothest shooting suppressed platform I’ve ever handled. The gas adjustment makes it incredibly versatile for switching between range days and hunting trips.”  

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The Ultimate AR-15 Alternative: Meet the Robinson Armament XCR

Robinson XCR Modular Firearm

While the AR-15 is America’s most popular rifle platform, many shooters eventually reach a point where they want more out of a tactical firearm. Inherent limitations of the legacy Stoner design—such as the dirty direct-impingement system, fixed buffer tubes, and cumbersome caliber changes—have left modern shooters searching for a better AR-15 alternative.

Shortly after 9/11, U.S. Special Forces set out to find a next-generation weapon system. They demanded a platform that was far more reliable and durable than the standard M4/AR-15, featured superior ergonomics, and could quickly swap calibers to utilize varying ammunition types. While military procurement politics ultimately got in the way, Robinson Armament built that exact weapon anyway.

The result is the Robinson Armament XCR—the ultimate piston-driven, multi-caliber modular rifle designed to succeed where the traditional AR platform leaves off

Beyond the AR-15: Why Shooters are Upgrading to the XCR Platform

The XCR (eXchangeable Caliber Rifle) isn’t just another clone in a crowded market; it is a ground-up engineering masterpiece. By combining the legendary, unstoppable reliability of the AK-47 action with the modularity and precise ergonomics of Western firearms, the XCR stands alone as a premium alternative to the AR-15.

If you are looking for a tactical rifle upgrade that offers true modular versatility without sacrificing a single ounce of duty-grade reliability, here is how the XCR delivers a vastly superior shooting experience.

6 Core Advantages of the XCR Over Traditional AR Platforms

1. AK-47 Reliability

The standard AR-15 utilizes a Direct Impingement (DI) system, which vents dirty, carbon-filled gas directly back into the bolt carrier group and receiver. This requires frequent maintenance and increases the risk of cycling failures.

The XCR completely eliminates this flaw by utilizing a robust, long-stroke piston-driven tactical rifle action inspired by the AK-47. It features a frictionless operating system, a significantly better cartridge feeding angle, a massive heavy-duty bolt, and a powerful mechanical extractor and ejector. The XCR reliably cycles virtually any ammunition you feed it—including affordable steel-cased ammo—while keeping the internal action cool and clean.

 

xcr operating system including bolt carrier group, oprod, and recoil spring
bottom of xcr upper receiver showing ejector
xcr heavy duty bolt showing bolt head and extractor

2. best in class ergonomics

Whether on the battlefield, hunting, or protecting yourself and family, seconds can count.  For this reason the XCRs fully ambidextrous manual controls—including the charging handle, bolt catch, magazine release, and safety—are patented and intuitively placed. Whether you shoot right-handed or left-handed, you can perform every manual operation seamlessly while keeping your eyes locked firmly on your target.

left side of xcr receiver showing the placement of the charging handle, mag release, bolt catch, and safety selector

3. True Multi-caliber versatility via quick change barrels

With standard AR-15 alternatives, changing calibers typically requires buying entirely new upper receivers, optics, and handguards. The XCR treats modularity differently.

Featuring a patented quick-change barrel rifle design, the XCR allows you to swap calibers or barrel lengths in just minutes using a single Allen wrench. Better yet, the system offers incredible return-to-zero capability; if you remove and replace the exact same barrel, your point of impact remains unchanged.

Available XCR-L Calibers (Light Platform)

  • .223 / 5.56 NATO
  • .300 BLK
  • 7.62x39mm
  • 5.45x39mm
  • 6.8 SPC
  • 6.5 Grendel
  • 6mm ARC
  • 22 ARC
  • 338 ARC
Allen wrench being used to remove the XCR quick change barrel

Available XCR-M Calibers (Medium Platform):

  • 308 / 7.62 NATO
  • 6.5 Creedmoor
  • .260 Rem
  • .243 Win.
  • 8.6 Blackout

4. superior recoil mitigation & adjustable gas system

Recoil can significantly slow down your follow-up shots. The XCR addresses this with a standard adjustable gas system featuring an adjustable dial. By letting you fine-tune the amount of gas bled off the barrel, you can dial in the perfect pressure for your specific ammunition or sound suppressor. This ensures optimal reliability while minimizing felt recoil and component wear.

XCR Gas Block showing 8 gas adjustment settings.

5. True fire-while-folded capability

Because a standard AR-15 requires a receiver extension and buffer spring inside the stock, it cannot be fired if the stock is folded or removed. The XCR’s recoil mechanism is entirely self-contained within the monolithic upper receiver. This allows the XCR to utilize our FAST2 and FAST3 fully adjustable stocks, which can collapse, adjust for cheek-weld height, and fold tightly to the side. The XCR can be completely operated and fired with the stock folded, making it an incredibly compact package for transport or close-quarters vehicle operations.  Other types of stocks can be attached to the XCR using a Picatinny Rail Adapter accessory.

right side of xcr showing stock folded

6. Monolithic Aircraft Aluminum Construction

Unlike typical rifles with multi-piece handguards that can twist or lose zero under hard use, the XCR features a true monolithic upper receiver machined from a single solid piece of aircraft-grade aluminum. The top 1913 Picatinny rail and the side/bottom M-LOK rail systems are machined perfectly parallel with the barrel trunnion. This guarantees that your backup iron sights, red dots, lasers, and magnifying optics are always perfectly aligned with the bore.

bottom side of xcr monolithic upper and removed barrel

frequently Asked Questions About AR-15 Alternatives

What is the best alternative to an AR-15?

For shooters looking for an upgrade over the AR-15, a piston-driven modular platform like the Robinson Armament XCR is widely considered the ultimate choice. It retains the familiar ergonomics and magazine compatibility of the AR-15 while introducing the reliability of a long-stroke piston and quick-change caliber versatility.

Can the Robinson XCR use AR-15 accessories?

Yes. The XCR-L platform is designed to accept standard AR-15 magazines, optics, and standard M-LOK accessories. It also accepts most aftermarket AR-15 pistol grips (utilizing the proprietary XCR grip bolt supplied with the rifle).  With our Picatinny Rail Adapter aftermarket stocks and arm braces can be attached to the XCR.

Is the Robinson Armament XCR accurate?

Absolutely.   Robinson Armament has worked steadily to improve the accuracy of its XCR series.   Despite having a quick change barrel, current XCRs production is capable of sub minute groups depending on ammo and the shooter.   

Ready to Experience the ultimate piston-driven tactical rifle?

If you are ready to trade up from a standard rifle platform to a premium, battle-proven design that offers unparalleled modular flexibility, it’s time to experience the XCR.

How to Choose your First XCR
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XCR ARTICLE

XCR-L Mid – Modular Tactical Rifle – Test

Robinson Armament Co. XCR-L with Mid Length Upper Receiver and 12" barrel

The XCR-L MID has a Mid length monolithic upper which can accept a wide range of calibers and barrel lengths from 12” up to 18.6”. The upper covers a 12” barrel up to
the threads of the muzzle. It uses our Standard (longer) Gas System for supersonic
calibers and our Short Gas System for subsonic calibers. In either case the gas system
is inside the upper receiver and can be adjusted without removing the barrel. The
XCR-L Mid can be used for almost any purpose including competitive shooting, hunting, home defense, military and law enforcement. It is available in Rifle, Pistol, and SBR configurations. See all XCR L models.

XCR-L MID Product Specifications
Operating System Gas adjustable, piston-driven, 3 lug rotating bolt
Calibers 5.56/.223, .300 BLK, 7.62x39, 6.8 SPC, 6.5 Grendel, 5.45x39, .224 Valk, 6mm ARC, .22 ARC, .338 ARC
Barrel Type Quick-change, chrrome-lined, or 416 Stainless
Barrel Lengths 12", 14.7", 16", 18.6"
Barrel Twists 1/5, 1/6, 1/7, 1/8, 1/9, 1/10, 1/11 (caliber dependent)
Gas System Length Standard and Short (Blackout)
Muzzle Thread 1/2x28 TPI for 5.56/.223. 5/8x24 TPI for the rest
Upper Lengths 19.75" Total, Handguard 10.5", M-LOK Slots 6
Magazine 5.56 and .300 BLK take standard AR mags. The rest take mags made for a specific calber.
Controls 100% Ambidextrous; non-reciprocating charging handle with forward assist
Stock Folding and fully adjustable FAST stocks and arm braces, AR15 and Picatinny rail stock adapters
Weight Configuration dependent
Manufacturer Robinson Armament

✅ Tactical

✅ Defense

✅ Hunting

✅ Competition

Build Your XCR-L Mid

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XCR-L Product Gallery

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Add A Caliber Conversion kit

XCR-M Mid – Modular Tactical Rifle

The XCR-M MID is similar to our other XCR-M models but has a Mid length monolithic upper. The Mid upper was designed to cover a 12” barrel up to the threads of the muzzle. It can also accept barrel lengths up to 20”. In all barrel lengths, the gas block with its gas adjustment is inside the upper. Nevertheless, it can be adjusted without removing the barrel. It can be configured for almost any purpose including competitive shooting, hunting, home defense, military and law enforcement. It is available in Rifle, Pistol, and SBR configurations.

XCR-M Mid Product Specifications
Operating System Gas adjustable, piston-driven, 3 lug rotating bolt
Calibers .308/7.62 NATO, 6.5 Creedmoor, .243, .260, 8.6 Blackout
Barrel Type Qucick-change, chrrome-lined, or 416 Stainless
Barrel Lengths 12", 14.7", 16", 18.6", 20"
Barrel Twists 1/10, 1/8, 1/3 (caliber and barrel length dependent)
Gas System Length Mini, Micro
Muzzle Thread 5/8x24 TPI
Upper Lengths 21", Handguard 10.5", M-LOK Slots 6
Magazine SR-25 pattern
Controls 100% Ambidextrous; non-reciprocating charging handle with forward assist
Stock Folding and fully adjustable FAST stocks and arm braces, AR15 and Picatinny rail stock adapters
Weight Configuration dependent
Manufacturer Robinson Armament

✅ Tactical

✅ Defense

✅ Hunting

✅ Competition

Build Your XCR-m mid

Click on each spec to see options.  To build a Pistol, choose the Arm Brace, Picatinny Rail Adapter, or Pistol Cap option.  Other colors available upon request.  Payment Plans Available.

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XCR-M Mid Barrel & Caliber Conversion Kits
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XCR-M Mini – Modular Tactical Rifle

XCR-M Mini is our most versatile XCR-M model. It has a Mini length monolithic upper which can accept a wide range of calibers and barrel lengths from 9.5” to 18.6”. The upper covers a 9.5” barrel up to the threads of the muzzle. It uses the Micro Length (shorter) Gas System for 9.5” barrels and subsonic calibers. For longer barrels using supersonic ammo, the longer Mini Length Gas System is used. The gas adjustment for the Micro Gas System is inside the upper receiver, while it is outside the upper for the Mini Gas System. In either case, it is adjustable without removing the barrel. The XCR-M Mini can be used for almost any purpose including competitive shooting, hunting, home defense, military and law enforcement. It is available in Rifle, Pistol, and SBR configurations. It makes a great “Truck Gun.”

XCR-M Mini Product Specifications
Operating System Gas adjustable, piston-driven, 3 lug rotating bolt
Calibers .308/7.62 NATO, 6.5 Creedmoor, .243, .260, 8.6 Blackout
Barrel Type Quick-change, chrome-lined, or 416 Stainless
Barrel Lengths 9.5", 12", 14.7, 16", 18.6'
Barrel Twists 1/7, 1/8, 1/10, 1/3 (caliber and barrel length dependent)
Gas System Length Mini, Micro
Muzzle Thread 5/8x24 TPI
Upper Lengths 18", Handguard 8.25", M-LOK Slots 4.5
Magazine SR-25 pattern
Controls 100% Ambidextrous; non-reciprocating charging handle with forward assist
Stock Folding and fully adjustable FAST stocks and arm braces, AR15 and Picatinny rail stock adapters
Weight Configuration dependent
Manufacturer Robinson Armament

✅ Tactical

✅ Defense

✅ Hunting

✅ Competition

Build Your XCR-M mini

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XCR-M Standard – Modular Tactical Rifle

XCR-M Standard has a Standard length monolithic upper which can accept a wide range of calibers and barrel lengths from 14.7” to 20”. With these barrel lengths the gas block is located outside the upper receiver. It is available in Rifle, and SBR configurations. It can be used for almost any purpose including competitive shooting, hunting, home defense, military and law enforcement. Learn more about other XCR M models.

XCR-M Standard Product Specifications
Operating System Gas adjustable, piston-driven, 3 lug rotating bolt
Calibers .308/7.62 NATO, 6.5 Creedmoor, .243, .260, 8.6 Blackout
Barrel Type Quick-change, chrome-lined, or 416 Stainless
Barrel Lengths 14.7", 16", 18.6", 20"
Barrel Twists 1/10, 1/8, 1/3 (caliber and barrel length dependent)
Gas System Length Standard, Micro
Muzzle Thread 5/8x24 TPI
Upper Lengths 20", Handguard 9.75", M-LOK Slots 5.5
Magazine SR-25 pattern
Controls 100% Ambidextrous; non-reciprocating charging handle with forward assist
Stock Folding and fully adjustable FAST stocks and arm braces, AR15 and Picatinny rail stock adapters
Weight Configuration dependent
Manufacturer Robinson Armament

✅ Tactical

✅ Defense

✅ Hunting

✅ Competition

Build Your XCR-m standard

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Total:

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