American Made Parts for American Rifle Builders

Battle Arms Development

Battle Arms Development, WORKHORSE, Complete Upper Receiver, 5.56 NATO, 16" 4150 CMV Barrel, Mid-length Gas System, Anodized Finish

Retail: $529.99
$499.99
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SKU:
BAD-WH-UR-16-556
UPC:
810033784095
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This complete upper includes the ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

Features and Specifications:

  • Barrel Length: 16in
  • Gas System: Mid-length
  • 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
  • Barrel: Rosco Manufacturing 16in 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® 15in 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**