The Battle Arms Development Workhorse Upper Receiver is a stripped AR15/M4-pattern upper machined from aluminum and finished in OD Green anodize from Battle Arms Development (brand part no. WH556-URS-ODG). As a stripped receiver, it ships without a barrel, bolt carrier group, or handguard, giving builders a clean starting point to assemble a custom upper from parts of their choosing. It’s part of Battle Arms Development’s Workhorse line, giving builders a durable OD Green receiver to match the rest of an OD Green build.

Key Specifications

• A stripped upper receiver for the AR15/M4 platform (no barrel or internals included based on available data).
• Machined from aluminum.
• Finished with an OD Green anodized coating.
• Part of Battle Arms Development’s Workhorse receiver line.

Frequently Asked Questions

Does this include a barrel or bolt carrier group? No, this is the upper receiver itself; barrel and internals are sold separately.

What color is the finish? OD Green anodized.

Buy the Battle Arms Development Workhorse Upper Receiver

Start your next AR build with the Battle Arms Development Workhorse Upper Receiver in OD Green. Order it from our Lubbock, Texas gun shop, and browse our AR15 uppers selection for more AR15 uppers.