$249.99
13 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
Running a big-bore Glock is a blast until you tally up what 10mm and .45 ACP cost per box. This Advantage Arms conversion kit solves that by swapping your centerfire slide for a purpose-built .22 LR assembly, letting you shoot the same frame you already know for a fraction of the price. Installation is about as simple as a field strip: pull your factory magazine and slide, seat the Advantage Arms slide until it locks up, drop in the conversion mag, and you're ready to go. Folks who've owned these for years report the whole swap takes well under a minute once you've done it a couple times.
This is the Gen 3 kit, built for the Glock 20, 20SF, 21, and 21SF frames. It does not fit Gen 4 pistols, which use a different kit entirely, so double check your generation before ordering. The kit uses your existing frame, trigger, and grip, meaning it keeps the exact feel and controls of your carry or duty gun. That's the real draw for anyone wanting to practice draws, sight picture, and trigger press without the recoil and expense of the full-power rounds.
The 4.6-inch barrel comes paired with adjustable, Glock-style removable sights. The rear is adjustable for both windage and elevation, and since it takes standard Glock-pattern sights, you can swap in your favorites down the road. The slide is aluminum and lighter than your steel factory slide, so the gun feels a touch different in the hand, but that lighter reciprocating mass is part of what makes rimfire cycling work.
Like most .22 conversions, this one runs best when you feed it the right ammo and keep it reasonably clean. Advantage Arms and longtime owners point to high-velocity loads such as CCI Mini-Mags in 40-grain round nose and Remington Golden Bullets as the most consistent performers. Steer clear of hyper-velocity stuff and bargain bulk that varies from lot to lot. Run it a little wet, stick with the recommended ammo, and shooters consistently find it as dependable as a dedicated rimfire pistol for plinking and training.
No. This is the Gen 3 kit and fits the Glock 20, 20SF, 21, and 21SF only. Advantage Arms makes a separate conversion kit for Gen 4 pistols, so check your frame's generation before buying.
High-velocity rounds are the way to go, with CCI Mini-Mags in 40-grain round nose and Remington Golden Bullets earning the strongest reputation among longtime owners. Avoid hyper-velocity loads like CCI Stinger and skip Remington Thunderbolts. Cheap bulk ammo can vary from lot to lot, so if you hit a rough patch it's usually the ammo and not the kit.
If you can field strip a Glock, you can run this kit. Remove your factory magazine and slide, slide the Advantage Arms assembly on until it locks up, and drop in the conversion magazine. Most people have it down to under a minute after a few tries.
Because you keep your own frame, the grip, trigger, and controls stay exactly the same, which is what makes it such a good training tool. The aluminum slide is lighter than your steel factory slide, so the gun feels a bit lighter overall and recoil is minimal with rimfire. Running it a little wet and keeping it clean helps it cycle smoothly.
| UPC | 094308000107 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | AACLE20-21 |
| Barrel Length | 4.6" |
| Caliber/Gauge | .22 LR |
| Capacity | 10 |
| Color | Black |
| Product Type | Conversion Kit |
You must be logged in to post a review.
Reviews
There are no reviews yet.