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  1. Sig P220 .22LR Conversion Kit
    Kit includes: Slide (with adjustable rear sights) Barrel One 10rd .22LR magazine Guide rod Recoil spring This kit is not compatible with pistols that have a magazine disconnect. Learn More
  2. Sig P220 .22LR Conversion Kit, TB
    Save on ammunition costs, hone your shooting skills, and just have fun – the .22LR Rimfire Conversion Kit, vailable for SIG SAUER P220, P226 & P229 models features a hard coat anodized slide machined from solid aluminum billet. Learn More
  3. Sig Sauer P220 .45 Elite Caliber Exchange (X-Change) Kit
    This item does not require shipping to a FFL dealer. This item cannot be shipped outside of the United States. Learn More
  4. Sig Sauer P220 Carry .45 ACP Caliber Exchange (X-Change) Kit
    Sig Sauer P220 Carry .45 ACP Caliber Exchange Kit Learn More

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Sig Sauer's Caliber X-Change and conversion kits allow you to convert your pistol from centerfire to .22 LR or vice versa.

P220 Centerfire Caliber X-Change Kits

Sig Sauer's standard P220 Caliber X-change (CALX-220-45-BSS) kit allow you to convert a P220 Classic chambered in .22LR or a P220 Carry to .45 ACP. This kit includes one 8rd magazine, slide (with night sights), barrel, guide rod, and recoil spring.

The compact Caliber X-Change kit allows you to convert a full size P220 .45 or P220 Classic .22LR to a compact .45 ACP.

The Elite Caliber X-Change kit has the elite designation on the right side of the slide along with front cocking slide serrations (not available on standard kits).

P220 .22LR Rimfire Conversion Kits

Buy a conversion kit and save on ammo! .45 ACP ammunition is easily ten to fifteen times as expensive as .22LR. A day at the range shooting .45 can easily cost a few hundred dollars or more. You can get by with a .22LR for as little as $20 or so!

The .22LR conversion kit for the P220 is available in two configurations: standard barrel or threaded barrel. Both conversion kits come with one 10rd .22LR magazine, slide, barrel, guide rod, and recoil spring. The .22 LR kits have adjustable rear sights (3 dot contrast sights).

The threaded barrel kit does come with a thread protector as well as thread pitch adapter.