Upper Builds by Caliber
- .22 Mag AR-15 Upper Builds
- .22-250 LR-308/AR-10 Upper Builds
- .223 Rem AR-15 Upper Builds
- .223 Wylde AR-15 Upper Builds
- .300 Blackout AR-15 Upper Builds
- .308 Winchester LR-308/AR-10 Upper Builds
- .350 Legend AR-15 Upper Builds
- .45 ACP AR-15 Upper Builds
- .450 Bushmaster AR-15 Upper Builds
- .458 SOCOM AR-15 Upper Builds
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