Description
SATERN® FORGED BIG BORE UPPER
Big Bore Flat Top Stripped Upper w/ enlarged ejection port
Big Bore Forged Stripped Flat Top Upper
Dust cover included
For use with any cartridge rim or body larger than .475
Examples would be:
12.7×42
450 Bushmaster
458 SOCOM
Eric (verified owner) –
Shipment was fast! Still working on the build. 458 coming soon!