Hello, I have a .22LR Rimfire Conversion Kit for sale for $200. less than 100 rounds through this. Rimfire Conversion Kit installs easily, by field stripping the pistol. Remove the standard slide assembly, slide on the Rimfire Conversion Kit, and you are done. -save on ammunition costs -hone your shooting skills -features a hard coat anodized slide machined from solid aluminum billet. -included .22LR 10rd. magazine. -adjustable target sights -Sig hard carry case.