Bushmaster 450 BM SD Review Big Bore AR That Hits

Kat Ainsworth

March 2, 2026

Review

2A Win

Summary

This article reviews the Bushmaster 450 BM SD, a big bore AR-15 chambered in .450 Bushmaster. The review highlights its powerful performance, describing it as a "straight wall hammer" that is still manageable to shoot due to its design and recoil pad.

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Bushmaster 450 BM SD Review Big Bore AR That Hits

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