Like every other Glock owner, I love to shoot and practice with the gun I own versus having something that is sort of like, but not exactly like my gun. There are also many times when a .22 LR version of a Glock 19, 17, 23, or 22 would be an amazing low-cost tool. The ability to train, shoot, and potentially hunt with the lower Glock frame I own, but with a reduced cost-per-shot is a fantastic capability.
Add a suppressor-ready option and there are all sorts of quiet rimfire fun to be had. Many people still do not know about the Advantage Arms .22 LR conversion kits for Glocks. That’s a shame because I must say that it is a fantastic option.
Advantage Arms was one of the first to offer a reliable slide-on conversion for popular Glock pistols. Essentially, it converts your 17/22 or 19/23 framed models to shoot .22 LR. The swap is a simple 10-second installation process.
The installation process is literally as simple as sliding off your factory slide, sliding on the Advantage Arms slide, and slipping in the proprietary .22 LR magazine. The kit is also very reasonably priced with base kits that start at only $295 for unthreaded barrel CA-compliant kits with two 10-round magazines. Its upgraded MOD models are threaded barrel suppressor-ready versions and start at $395.
All Glock-compatible G1–3 and G4/5 kits offer universal red dot Glock MOS slide cuts and are Glock OEM Adapter Plate compatible for red dot mounting. The Glock MOS 4 plate kit includes: plate 01 – EOTech / Docter / Insight / Meopta, plate 02 – Trijicon RMR, plate 03 – C-MORE, plate 04 – Leupold Delta Point. When deciding on a kit, you not only need to select the correct model number for your pistol, but also the right GEN series as internal specs did change between the Gen 1–3 and Gen 4/5 models.
Functionally, the Advantage Arms kit worked for me right out of the box — so long as I followed the ammunition recommendations, which include Remington Golden Bullets, and CCI Mini-Mags. This was good, since I was checking on our acreage and used the Advantage Arms kit as my snake gun. Though the snakes were lucky that day, I did empty three mags goofing around plinking and had zero issues on my well-worn G19 Gen 3 frame.
Notably, I found the kit preferred plated bullets. In fact, I did not have any issues with any plated bullet I tested. The kit does function well with most pure lead bullets. However, it prefers the higher velocity end of the sub-sonic spectrum.
From a reliability perspective, the Advantage Arms conversion kit likes higher velocity rounds when running unsuppressed. Depending on whether I was running a suppressor there was some velocity preference. Running standard velocity rounds such as T22 and CCI Standard Velocity, and CCI Subsonic hollow points functioned perfectly with a suppressor.
At least initially, without the suppressor, these same rounds experienced some extraction issues on one Glock 19. With a different frame, no issues were experienced. I think it may depend on the upgrades you have on your Glock.
If you have upgraded to the lighter end of the Ghost connector you might have some reliability issues. Without being too nerdy, I think the heavier stock connectors offer a hair more slide tension, which retards blowback, ultimately increases pressure, and improves extraction. I am thinking the lighter connector equals less extraction pressure and potentially more extraction issues.
At least in my case, the G19 frame with the Ghost connector seemed to be the more problematic. If you are DIYing or building your own Glock frame, note that the Advantage Arms slides are a hair pickier for fitting and function than factory slides. They have a very strong preference for factory Glock lower parts or at least similarly spec-ed and tuned aftermarket parts.
With all that noted, I am experiencing that the Advantage Arms kit does seem to function better each time I shoot it. It appears to benefit greatly from being worn in. Some issues I experienced on day one, I am no longer having issues with now. A few range sessions and 200 rounds in, and the reliability of this kit matched my Glock factory spec G44.
By comparison, I have a factory Glock G44 .22 LR pistol that I have shot the living hell out of. I believe this is a good cross-comparison since many will ask why not just buy a G44. Though the G44 is a pretty good analog for a Glock 19 shooter and looks the same, it is certainly far lighter and does not feel the same.
From one perspective, it is nice to have a super light G44 .22 LR pistol. On the other, it does not handle and feel the same as a standard G19. Advantage Arms noted to me that they purposefully designed an oversized and thick barrel to drive up the weight to retain a similar weight feel to factory Glocks. This delivers a training platform that feels more like the full centerfire-caliber option from a training perspective.
The other point is that I am training and shooting on the same defensive carry pistol. Ultimately, the trigger, mag release, and slide release on my converted .22 LR G19 will feel exactly like the real thing during training… because it is the same gun. With the G44, it feels different, has a different trigger pull, and potentially other differences depending on the upgrades I have added on my centerfire pistol. The Advantage Arms kit just feels more realistic.
Advantage Arms kits do have proprietary Advantage Arms .22 LR magazines that range in size and capacity from standard 10-round to extended 25-round magazines. The mags are well-built and durable. They do benefit from using the included loading tool included with the kit especially after the third or fourth magazine reload. The Advantage Arms and G44 magazines are not cross-compatible.
Without question, the conversion is worth it and offers a simple option to drop it in a range bag with a few boxes of .22 LR ammo. The kit could also be a great Plan B option for survival as a quieter shooting, lower ammo-weight pistol option. The Advantage Arms kit is extremely cost-effective and pays for itself quickly in training cost savings.
Why shoot for $14 a box when you could do the same training for $3 a box? After about a dozen boxes, the entire conversion kit is paid for. The Advantage Arms .22 LR conversion kits are a smart investment for the Glock owner and just get better the more they are shot.