Whether you're a backyard plinker or serious competitor, the Volquartsen Mamba-X Semi-Auto Rimfire Pistol delivers the match accuracy and simple takedown you're looking for. The Mamba-X is built atop a Ruger Mark IV 22/45 frame with an Accurizing Kit that provides an incredibly crisp 2.25-lb. trigger pull. The frame has been fitted with a magazine release that works in conjunction with Volquartsen's magazine base pads to eliminate feeding issues. The frame comes mated to Volquartsen's LIV Competition upper, which includes a stainless steel barrel in an aluminum shroud for superb accuracy. The muzzle is threaded and comes with a single-port compensator installed. The upper is optics-ready and accommodates a wide range of optics. Competition bolt with DLC coating for smooth operation. Hogue grips. Includes 2 magazines. Competition bolt with DLC coating LIV Competition upper Stainless steel barrel in an aluminum shroud Threaded muzzle with single-port compensator installed Polymer Ruger Mark IV 22/45 frame with Accurizing Kit Crisp 2.25-lb. trigger pull Hogue grips