The MkG ZEROED BANSHEE SBR pairing it with the included ZEROED 46 suppressor means this SBR is purpose-built for quiet shooting. featuring the B5 Systems Bravo stock; oversized M-LOK handguard; Radial Delayed Blowback operating system and the MkG lower receiver’s Glock-pattern magwell means your existing .45 ACP mags are already compatible. Included are three SD-style silicone handguard covers that snap into the M-LOK slots to keep your hands cool.