Skip to Content

WORKHORSE ® UPPER ASSEMBLY 10.5" .223 WYLDE 1:8T 9.5" M-LOK RAIL - NO BCG, NO CH, BLACK ANODIZED - AR15

SKU: WH556-UA-10.5-223-BLK
UPC: 810033783784

Specifications:

  • 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: .223 Wylde

  • Twist Rate: 1:8

  • Barrel Extension: M4

  • Diameter at Gas Block: .750

  • Gas Block Type: WORKHORSE® 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

*Specifications subject to change based on availability. 

 

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

397.49 397.49

Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days