This Battle Arms Development Workhorse upper assembly has a 16" 5.56 NATO barrel with mid-length gas system and an A2 flash hider. It includes the Workhorse 15" M-LOK free-float handguard. The bolt carrier group and charging handle are not included.
Manufacturer Part #: WH-UR-16-556. RSR description: see source (not copied to Description); dims 28.25 x 4.00 x 4.00
Manufacturer Part #: WH-UR-16-556. RSR description: see source (not copied to Description); dims 28.25 x 4.00 x 4.00
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