BCG or CH WORKHORSE® Upper 10.5in 5.56 NATO 1:7 9.5in M-LOK® - Without BCG or CH WORKHORSE Upper 10.5in 5.56 NATO 1:7 9.5in M-LOK - Without BCG or CH

Barrel: Rosco Manufacturing 10.5in 4150V Chrome Moly Vanadium steel barrel, chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a Mid-length gas system. The barrel is finished with a .750" diameter low-profile gas block, WORKHORSE 9.5in M-Lok Free Float Rail, and an A2 flash hider.

Upper: Forged 7075-T6 AR upper is hard coat anodized black for durability. Featuring M4 feed ramp cuts, these upper receivers are made in the USA.

Features:
SKU: WH-UR-10.5-556
Barcode: 810033783784
Barrel Length: 10.5in
Gas System: Carbine
Barrel Profile: A2
Barrel Steel: 4150 Chrome-Moly Vanadium

Specifications:
SKU: WH-UR-10.5-556
Barcode: 810033783784
Barrel Length: 10.5in
Gas System: Carbine
Barrel Profile: A2
Barrel Steel: 4150 Chrome-Moly Vanadium
Barrel Finish: Nitride
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
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: WORKHORSE® 9.5in M-Lok® Free Float Rail
Bolt Carrier Group Included: No
Bolt Steel: N/A
Bolt Carrier Profile: N/A
Charging Handle Included: No
Overall Length: 18.5in
Barrel Finish: Nitri
Chrome Lining: None
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
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
Hand-guard Type: WORKHORSE® 9.5in M-Lok® Free Float Rail
Bolt Carrier Group Included: No
Bolt Steel: N/A
Bolt Carrier Profile: N/A
Charging Handle Included: No
Overall Length: 18.5in