450 bushmaster

Upper receiver kit 16 450 w/bolt & magazine shaved front site

SKU: KIT-UR16SFSB-450

MSRP: $795.00

On Backorder

Windham Weaponry’s powerful 450 Thumper is available as a complete Upper Receiver Assembly – ready to snap onto your AR15...
Upper receiver kit 16 flattop 450 w/ bolt & magazine

SKU: KIT-UR16FTB-450

MSRP: $795.00

On Backorder

Windham Weaponry’s powerful .450 Thumper is available as a complete upper receiver assembly – ready to snap onto your AR15...

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