The M17-M18-Sig P320 APK Armorer's Kit is designed to assist in the repair and servicing of the SIG Sauer P320, M17, and M18 pistols. The kit comes complete with the P320 armorer plate, small swivel with precision ground end and a MP-2A magazine post. Parts are made of recyclable polymers with strategically machined cuts to hold the firearm and components when servicing.