Sig Sauer Conversion Kit 1911ASIGPCONV 1911 22 Simply remove the standard slide assembly, slide on the Rimfire Conversion Kit, add the included . 22LR 10rd. magazine, and you're ready. Save on ammunition costs, hone your shooting skills, and just have fun. The . 22LR Rimfire Conversion Kit, available for 1911 Full size and Carry models features a hard coat anodized slide machined from solid aluminum billet. A complete replacement assembly, the Rimfire Conversion Kit installs as