- Barrel Length: 7.5"
- Gas System: Carbine length
- Barrel Profile: Carbine
- Barrel Steel: 4150 Chrome-Moly Vanadium
- Barrel Finish: Nitride
- Chrome Lining: None
- Muzzle Thread: 1/2-28
- Chamber: 5.56 NATO
- Twist Rate: 1:8
- Barrel Extension: M4
- Diameter at Gas Block: .750
- Gas Block Type: Low-profile
- Muzzle Device: A2 Flash Hider
- Receiver Material: Forged 7075 T6
- Receiver Type: M4
- Handguard Type: IO 7" Lightweight Keymod Rail
- Bolt Carrier Group Nitrite carrier and parkerized bolt head MPI Included: Yes
- Bolt Steel: Carpenter 158
- Bolt Carrier Profile: Full-auto
- Charging Handle Included: Yes
- Fire Control Group: Mil-Spec
- Overall Length: 24.5"
- Weight: 4.0 lbs
- Barrel Marking: "5.56 NATO 1/8"
Barrel: 7.5" 4150V Chrome Moly Vanadium steel barrel, chambered in 5.56 NATO, with a 1:8 twist, M4 barrel extension, and a carbine-length gas system. The barrel is finished with with a .750" diameter low-profile gas block, IO 7" Lightweight Keymod Float Rail and an A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feedramp cuts, these upper upper receivers are made for us right here in the USA.
Bolt Carrier Group: For AR15 and M16 rifles and carbines. Bolt is made of shot-peened, Mil-spec Carpenter 158® steel. Gas key is secured with grade 8 fasteners and staked. Bolt carrier is nitrited and bolt head parkerized and MPI. Includes Charging Handle.
Lower Build Kit: IO enhanced EPT Lower Build Kit, Black
(1) 30 ROUND MAGAZINE INCLUDED
SORRY, NO PARTS KITS SOLD TO MD, NJ, NY, WA, CT, CA, DC, COOK CTY. ILL & WITCHITA, KS. ALL SALES ARE FINAL, WE DO NOT ACCEPT RETURNS OR EXCHANGES ON THESE PARTS KITS.