PTR Archon Type B, Gen 2 Compact Frame 9mm Luger 15+1/18+1 4.30" Black Nitride Steel Barrel, Black Optic Cut/Serrated Steel Slide & Frame w/Beavertail & Picatinny Rail, Black Polymer Grip. The Archon Firearms Gen 2, Type B Pistol by PTR, the next evolution in compact handguns. With interchangeable grip textures and a unique modular design, this pistol can be customized to fit individual shooter grips but also allows for easy modification between full size, compact and sub-compact configurations. Featuring the AF-Speedlock technology. This system incorporates a low bore axis along with a patented breech locking mechanism. As a result, the barrel remains straight during the slide cycle, allowing the entire slide of the firearm to nest deeper into the grip. Optic Ready RMS cut. Includes 2 magazines 15rd & 18rd, three backstraps and two grip extenders.