Platform | Mk4 |
Caliber | 5.56x45mm |
Operating System | Direct Impingement |
Barrel Length | 10.5 |
Barrel Twist | 1:7 |
Barrel Contour | MT |
Barrel Material | 4140CM, SBN |
Barrel Twist | 1:7 |
Muzzle Device | CMMG ZEROED Linear Comp |
Muzzle Thread | 1/2 X 28 |
Gas Port Location | Carbine |
Gas Block | 0.750" Non-Adjustable |
Upper Receiver | Billet 6061 T6 Aluminum |
Lower Receiver | Mk4 Forged 7075 T6 Aluminum |
Hand Guard | CMMG EML9 M-LOK |
Finish | Cerakote Standard |
Charging Handle | CMMG ZEROED Ambi |
Pistol Grip | CMMG ZEROED Pistol Grip |
Buffer Type | Carbine |
Receiver Extension | CMMG 6 Position Fastback Extension |
Stock / Brace | CMMG RipBrace |
Trigger Type | ZEROED Drop-In Single Stage |
Trigger Guard | CMMG ZEROED Trigger Guard |
Safety Selector | CMMG ZEROED 60/90 Degree |
Magazine | Magpul 30rd PMAG |
Weight | 5.5 lbs |
Length | 26" |











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Please Allow 15-30 Days To Process Your Order.
State/local restrictions may apply in CA, CO, CT, DE, DC, HI, IL, MD, MA, MI, NJ, NY, or WA. Customers must review our Firearms Shipping Policy prior to ordering.
Firearms with attached pistol brace. Please confirm your FFL is accepting transfers for pistol brace equipped firearms prior to ordering.