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: 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.
**This Upper Does Not Include BCG or Charging Handle**
