Manufacturer Number: MCKGEN2-O Micro Roni Gen 2 STANDARD Handgun Conversion Kit Chassis No Pistol Disassembly Required - Just Place Pistol Into The Kit, Lock, and Go Top Picatinny Rail, Allowing a Combination of Sights and/or Optics Side Picatinny Rails for Mounting Additional Accessories, I.E Thumb-Rests Ambidextrous Fast and Easy Handling Right-Folding Arm Brace for Easy Concealment and Carry Able to be Fired While Arm Brace is in the Folded Position Front Spare Magazine Holder for a Faster Reload Accommodates Suppressor up to 1.38" in Diameter and Suppressor Sights Polymer Chassis Overall Width 2.48 Overall Height 5.70 Overall Length 13.70 Tungsten Grey Finish Includes: Chassis and Stabilizing Brace Does NOT Include: GLOCK Pistol Fits: Glock Models: 17, 19, 19X, 22, 23, 25, 31, 32, 45 Gens 3, 4 and 5