11.5" barrel chambered in 5.56
Cold hammer forged MIL-B-11595E barrel steel
Manganese Phosphate coated
Government profile
Chrome lined bore and chamber
HPT and MPI
1:7 twist rate with carbine gas system
MK2 improved upper receiver
Increased rigidity with barrel extension
Gas expansion chamber and venting system
Shortened forward assist
T-marked picatinny rail
10" MCMR-10 M-LOK free float handguard
Includes 3” picatinny rail and M-LOK sling mount
11.5" barrel chambered in 5.56
Cold hammer forged MIL-B-11595E barrel steel
Manganese Phosphate coated
Government profile
Chrome lined bore and chamber
HPT and MPI
1:7 twist rate with carbine gas system
MK2 improved upper receiver
Increased rigidity with barrel extension
Gas expansion chamber and venting system
Shortened forward assist
T-marked picatinny rail
10" MCMR-10 M-LOK free float handguard
Includes 3” picatinny rail and M-LOK sling mount