This BCM stripped barrel is machined from a 410 stainless steel. It features hand lapped button rifling with a 1/8 twist rate and M4 feedramps. To give the shooter the best balance of weight and accuracy this BCM Mk12 barrel has a mid-weight profile and a rifle length gas system. 410 stainless is a harder and more corrosion resistant than the conventional 416 stainless found in most barrels.
- M4 Feed Ramp Barrel Extension
- Rifle Length Gas System
- Gas Block .750"
- 1/8 Twist Rate
- 5.56 NATO Match Chambers USMC SAM-R Chamber
- 410 Stainless Steel
- Mid Weight Contour Profile Barrels
- Button Rifled
- Hand Lapped Rifling
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