A .22 Long Rifle conversion unit designed for Kimber 1911-pattern pistols allows owners to practice with a less expensive and lower-recoiling cartridge. These kits typically include a slide assembly, barrel, magazine, and recoil spring specifically engineered for .22 LR ammunition. This allows the user to swap the top end of their existing Kimber 1911, effectively converting it from a centerfire pistol to a rimfire one.
The affordability of .22 LR ammunition compared to common centerfire cartridges like .45 ACP makes these conversions attractive for high-volume training. Reduced recoil also allows for improved practice and skill development, particularly for newer shooters. Furthermore, some find the lighter recoil more enjoyable for casual shooting. The ability to maintain proficiency with the 1911 platform while reducing ammunition costs and recoil has established the enduring popularity of these conversion kits.