AR-15 Big Bore Stripped Upper Receiver - For 458 Socom, 50 Beowulf, etc
AR-15 Big Bore Milspec AR-15 Stripped Upper Receiver for Big Bore Calibers like 458 Socom, 450 Bushmaster, 50 Beowulf, etc.
-Made out of US Sourced 7075 T6 Forged Aluminum
-Enlarged ejection port
-does not come with forward assist or ejection port cover
-Type III Hardcoat Anodized Black
-Made in the USA.
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