*Franklin Armory® Forged Upper Receiver
*CNC Machined From 7075-T6 Aluminum
*Hard Coat Type III Anodized Black
*Full Picatinny Rail
*A3 ejection port opening clearanced to 560 to accommodate the 450 Bush Master cartridge
Select A3 for .450BM builds.
Lower may have slight surface or anodizing imperfections, 100% functional.
Blemishes are minor tool marks and / or slight color variation