XCR-M Micro Length Upper Receiver (Approx. 15.75″ Long) with Type 2 Gas Block and Micro Length Gas System

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Current Caliber none ...
Current Gas Port Position none ...
Current Gas Block none ...
Current Brass Deflector none ...
New Caliber none ...
New Barrel Length none ...
New Barrel Contour none ...
New Barrel Twist none ...
New Muzzle Device none ...
New Gas Block none ...
New Oprod none ...
New Gas Tube none ...
Brass Deflector none ...
Total:

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