Battle Arms AR-15 Workhorse Upper Receiver Assembly without BCG 5.56x45mm 16″ Barrel 15″ M-LOK Handguard Black


Category: Product ID: 19033


The Battle Arms Development Workhorse Upper Receiver is made from high quality materials that will supply long lasting durability. This upper features a Rosco Manufacturing 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 M-Lok Free Float Rail, and an A2 flash hider. The Workhorse series offers an amazing value.



  • Made from 7075 – T6 aluminum
  • Type III hard coat anodized
  • Matte black finish
  • M4 Feed Ramp

Made In United States of America

WARNING: Cancer and Reproductive Harm –


Product Information

Cartridge 5.56x45mm NATO
Color Black
Finish Anodized
Material Aluminum
Barrel Length 16 Inches
Twist 1:7 Inches
Threads 1/2″-28
Barrel Contour A2
Barrel Finish Black
Chrome Lined No
Gas Block Diameter 0.75 Inches
Gas System Length Mid-Length
M4 Feed Ramps Yes
Upper Receiver Type A3 Flat-Top
Barrel Material 4150 Chrome Moly Vanadium Steel
Handguard WORKHORSE 15in M-Lok Free Float Rail
Bolt Carrier Assembly Included No
Muzzle Device A2 Flash Hider
Country of Origin United States of America
Compatible With

Delivery Information

Shipping Weight 4.455 Pounds


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