There are a ton of reasons to use a conversion kit on your Glock handgun. Whether you shoot a lot and want to save money on ammo, training new shooters before stepping them up to larger calibers, or just want a fun plinking gun. The Advantage Arms Conversion kit allows you to shoot 22 LR out of your Glock 17 or 22 Gen 3 handgun. This .22LR Conversion Kit is a simple drop in slide unit and 10 round magazine that doesn't require any permanent modification. The slide is compatible with standard Glock style sights, so you can choose your favorite aftermarket sights. It also features an internal firing pin safety like the full size models to prevent the firearm from discharging if dropped. Additionally, like the full size handgun, it features a last round hold open. The Advantage Arms Glock .22 Caliber Conversion Kit features a 416 Stainless Steel barrel.Note: For maximum reliability, use with stock Glock components. Compatibility issues may exist with P80/80% frames. Designed for OEM Glock 17/22 frames.Compatibility: Gen 3 Glock 17/22Features: Installs in seconds Compatible with Glock sights Last round slide lock Internal firing pin safety 416 stainless steel barrel Hardcoat anodized aluminum parts Black oxide steel parts 10 round magazineDISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.