Build a compact AR15 or M4 platform with the BATTLEARMS WORKHORSE 10.5-inch .223 Wylde Complete Upper Receiver. Designed for pistol or short-barreled rifle builds, this durable, lightweight upper pairs dependable construction with a precision-oriented chamber and practical M-LOK functionality.
The 10.5-inch 4150 chrome-moly vanadium barrel features a nitride finish, 1:8 twist rate, and .223 Wylde chamber, designed for use with .223 Remington and 5.56 NATO ammunition. A carbine-length gas system, low-profile gas block, and A2 flash hider complete this compact configuration. The forged 7075-T6 aluminum M4 flat-top receiver features M4 feed ramps.
- 10.5-inch A2-profile barrel with .223 Wylde chamber and 1:8 twist
- 4150 chrome-moly vanadium steel barrel with durable nitride finish
- Carbine-length gas system for reliable cycling
- Forged 7075-T6 aluminum M4 flat-top upper receiver with M4 feed ramps
- 9.5-inch WORKHORSE M-LOK free-float handguard for accessory attachment
- WORKHORSE low-profile gas block and A2 flash hider
- 1/2x28 muzzle threads and .750-inch gas block diameter
- 18.5-inch overall length for a compact build configuration
- BCG and charging handle are not included
Choose this BATTLEARMS WORKHORSE AR15/M4 complete upper for a rugged, compact foundation for your build. Please verify compatibility and applicable federal, state, and local requirements before purchase. Specifications may change based on availability.
