SPR/MK-12 Barrels 18.1 Criterion-CM

$340.00$405.00

Length              18.1″
Caliber             .223/5.56
Gas Block        .750

Clear

Description

This barrel comes standard with M4 Feed Ramps, MID or Intermediate gas system, 1/2-28 or 5/8×24 threaded muzzle, and the proper OPS, Inc. muzzle contour for OPS, Inc. collar.

Chamber type, gas system , thread and match bolt is your choice.

 

 

Additional information

Length

Twist

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Gas System Length

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Thread

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Matched Bolt

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