The versatile Gerber Short Stack AR Multi-Tool allows you to service and repair your AR-platform rifle or carbine with a compact, lightweight tool that's easily carried in the field. The innovative 3-piece design provides multiple functions including: tightening and loosening the buffer tube and flash hider, and adjusting the front sight; and is compatible with Magpul, MOE, and MIAD pistol grips. Each part of the 3-piece design is magnetic, ensuring bits and parts don't get lost. The Short Stack AR Multi-Tool features: firing pin scraper, bolt carrier and bolt scraper, 4mm wrench/bit driver, 7mm wrench, _" wrench, 3/8" wrench, _" wrench, curved slotted driver, two 2-sided hex bits, buffer tube wrench, front sight adjustment tool, and a cleaning cable pull-through handle.