The Gunner’s Mount is the ideal platform to work AR/M4 lowers. Assemble, disassemble, and repair. Parts pockets are cut to prevent runaway components and a slot for supporting magazines when making repairs. The platform will also accommodate pistol magazine posts and other magazine fed weapon systems. View a PDF of the Gunners Mount Strategically cut for: Magazine re-work AR charging handle for latch change outs Brownells® AR Front Sight Bench Block Present Arms AR Upper and Lower Receiver Blocks Present Arms AR Receiver Tube Alignment Block Present Arms Pistol Magazine Posts