.450 Bushmaster AR-15 Upper Builds

The .450 Bushmaster has a fascinating collaborative history, From a concept by Jeff Cooper to Development by Tim LeGrande, Hornady with small changes for manufacturing, and Licensed by its namesake Bushmaster Firearms,  A lot of work went into this Straight-Walled Hunting cartridge, which was designed to have enough power to take down Large Game from 250yds with a single shot, and as one of the Largest Cartridges Available on the AR-15 platform, It Delivers!

If you live in a State with Bottleneck cartridge Regulations The .450 Bushmaster is a must-have for big-game hunting.