Barrel and BCG Kit, 8″ 4140CM, SBN, 40 S&W
The CMMG® 8” 40 S&W MkGs Barrel and BCG Kit allow you to build a Pistol Caliber Carbine using our Patent Pending Radial Delayed Blowback System. Unlike typical direct blowback systems, our RDB uses a bolt that is forced to rotate and unlock, slowing the BCG. This results in a lighter BCG for a lighter pistol or rifle, and less felt recoil than a straight blowback system.
Our MkGs Barrel and Bolt Kits are designed to work exclusively with our MkGs Lowers. Other manufacturers’ receivers may work, but we cannot guarantee function or reliability.
**All NFA rules apply** See linked CMMG Resource article for more information.
All CMMG products come with our Lifetime Quality Guarantee.
PLATFORM | MKGS |
CALIBER | .40 S&W |
OPERATING SYSTEM | RADIAL DELAYED BLOWBACK |
BARREL LENGTH | 8 |
BARREL TWIST | 1:16 |
BARREL CONTOUR | MT |
BARREL MATERIAL | 4140CM |
BARREL TWIST | 1:16 |
MUZZLE THREAD | 0.578 X 28 |
GAS PORT LOCATION | N/A |
GAS BLOCK | N/A |
FINISH | SBN |
WEIGHT |
1.7
|
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