Description
Discover the Battle Arms Development Workhorse 556 Upper, featuring a 10.5″ barrel designed for .223 REM/5.56 NATO calibers. This M-LOK compatible upper receiver is crafted for exceptional performance and durability, making it the ideal choice for your next build. With a sleek black finish, the Workhorse model emphasizes both functionality and style, ensuring you stand out at the range. Upgrade your firearm with this free float upper receiver and experience the precision and reliability that Battle Arms Development is known for.




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