Details
- Long Stroke Gas Piston Operating System
- 8620 Front Trunnion
- 4340 Carrier
- 7 Lug Shot Peened Carpenter 158 Bolt
- Monolithic 6105 Receiver; FDE
- Partial Picatinny Lower Handguard, Black
- 13.7” 5.56 NATO Nitride 4150V Chrome Moly Steel Barrel
- Twist Rate: 1 in 7”
- Thread Pitch: 1/2x28"
- JMAC Customs GFHCE-R-28-S-KM Muzzle Device Pin & Welded
- Cerakoted Flat Dark Earth
Note: Must be used with JAKL buffer system found on JAKL lower or lowers built with a JAKL lower build kit. Failure to use the JAKL proprietary buffer system may result in damage to the JAKL upper and lower.
