The Anderson Manufacturing Big Bore stripped Upper Receiver is machined from 7075 T6 Aluminum forging. It is machined to fit onto our standard multi cal lower receivers and features an expanded ejection port opening. This Anderson Manufacturing Big Bore Stripped Upper Receiver comes in type III hard coat black anodize for extreme durability, and is ready for you to put thousands of rounds through it without fail. This stripped Big Bore upper receiver will work with your .458 SOCOM and .450 Bushmaster builds.
FEATURES: Mil Spec, Standard
- MATERIAL: 7075 T6 Aluminum Forging
- FINISH: Type 3 Hard Anodized, Black
- COMPATIBILITY: .458 SOCOM/.450 Bushmaster
- TREATMENT: Non RF85
- ADDITIONAL NOTES: Uses AM-15 dust cover.
This Anderson Manufacturing .458 upper receiver does not include a dust cover or forward assisted. Purchase those here today!