Army Armament Blowback Housing for R501 GBB Pistols

If you've had a blowback housing-related mishap with your R501, this will sort it! The Army Armament Blowback Housing for R501 GBB Pistols is a replacement original part for the R501 GBB, but may also fit other Army Armament Hi-Capas, though we cannot guarantee it. If you own an R501, this is a handy part to have knocking around for a worst-case scenario, but it is also a great, cheap solution for those seeking repair parts. The housing is made from alloy and finished in black.