GHM-9: B&T's 9mm Budget Carbine (Well, Swiss Budget)
This guide details the disassembly and basic maintenance of the B&T GHM-9, a 9mm pistol caliber carbine. Expert Ian McCollum demonstrates how to field strip the firearm, highlighting the hydraulic buffer system and modular design. The process involves removing the stock, then the bolt carrier group, followed by cleaning and lubrication before reassembly.













