Description
The WORKHORSE AR15/M4 10.5" Complete Upper Receiver delivers unmatched reliability and precision performance in a compact configuration. Featuring a 10.5-inch .223 Wylde barrel, M-LOK® free-float handguard, and forged 7075-T6 aluminum receiver, this upper is engineered for demanding applications. Perfect for pistol or SBR builds, this upper combines durability, accuracy, and lightweight handling — built to the same standards trusted by professionals worldwide.
Specifications
- SKU: WH-UR-10.5-223
- Barcode: 810033783784
- Barrel Length: 10.5 inches
- Gas System: Carbine
- Barrel Profile: A2
- Barrel Steel: 4150 Chrome-Moly Vanadium
- Barrel Finish: Nitride
- Chrome Lining: None
- Muzzle Thread: 1/2x28
- Chamber: .223 Wylde (accepts .223 Rem & 5.56 NATO)
- 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 Aluminum
- Receiver Type: M4 Flat Top
- Handguard Type: WORKHORSE® 9.5" 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: 18.5 inches
**This Upper Does Not Include a Bolt Carrier Group (BCG) or Charging Handle.**
Features
- 10.5" .223 Wylde chamber — optimized for accuracy with both .223 Rem and 5.56 NATO
- Forged 7075-T6 aluminum upper receiver with M4 feed ramps
- WORKHORSE® low-profile gas block and 9.5" M-LOK® free-float handguard
- Carbine-length gas system for smooth, reliable cycling
- A2 flash hider for
*Specifications subject to change based on availability.
Additional Details
- SKU:
- WH-UR-10.5-223
- UPC:
- 810033783784
- Condition:
- New
- Width:
- 36.00 (in)
- Height:
- 4.00 (in)
- Depth:
- 12.00 (in)
