
Battle Arms Development, WORKHORSE, Upper Receiver Assembly, 223 Remington/556NATO, 16" Barrel, Mid-length Gas System, Anodized Finish, Black, Does Not Include Bolt Carrier Group or Charging Handle
Battle Arms DevelopmentBattle Arms Development, WORKHORSE, Upper Receiver Assembly, 223 Remington/556NATO, 16" Barrel, Mid-length Gas System, Anodized Finish, Black, A2 Flash Hider, WORKHORSE 15" M-LOK Free Float Handguard, Does Not Include Bolt Carrier Group or Charging Handle
Barrel Length: 16in
Gas System: Midlength
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® 15in 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: 24.5in