Posted: 12/3/2025 3:02:34 AM EDT
[Last Edit: MikeSSS][Edited]
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This RXM has the factory threaded barrel and the suppressor 18 lb spring/guide rod assembly was installed. All shots have used an Obsidian 9 suppressor with piston, a Baldr S laser light and an Osight SE green 6 MOA dot. RXM is a clone of a Glock 19 Gen 3. Build quality seems equal to Glock, I haven't tried swapping slides and barrels. The grip on the RXM doesn't use a replaceable backstrap and the back of the grip is flat and the grip feels a bit different than a G19 with the large backstrap. Grip angle is 20 degrees for the RXM, Glocks use 22 deg and 1911s and MK IV 22/45s use 18 deg. The grip seemed small but in shooting it has worked really well. Baldr S used has a green laser that is very visable, but less so in intense sunlight. The light has low and high, I use low. In low light at night the green laser aimed at the ceiling or floor gives enough scatter to see in a room. A Streamlight red laser does not, only the dot can be seen. Human eyes are more sensitive to green, that's probably the reason. This green laser scatter is far more usable than turning on the actual light after the eyes are night adapted, at least indoors. Windage and elevation R/L and U/D are for moving the dot not referenced for point of impact. Dot sights windage and elevation reference POI changes, not moving the dot. Laser and dot sight sighting in are the opposite of each other. In use, I turn on the laser with a tap but don't hold my thumb on the switch when shooting because of recoil. This works better for me. The tap turns on the laser and light if used, a second tap turns off the laser and light. Osight SE green 6 MOA dot is an enclosed dot sight and it works very well. Sights: the RXM comes with co-witness height sights that are not high enough for suppressor use. The front sight is tritium, the rear sight isn't. Lack of tritium in the rear is a big problem with finding the dot sight's dot in darkness. I replaced these sights with Truglo tritium Glock MOS height sights for Glock 17 and lots of other models. These new sights are tritium front and rear and are hugely better for finding the dot in darkness. A sight press was used and needed. The rear sights fit very tightly. Trigger on the RXM is very nice, much like a Glock with a minus sign connector. Trigger face is flat and more comfortable than a Glock trigger. I like the trigger. Magazines used have been Magpul 15 rd supplied with the RXM, Glock 15 and 17 rd and no name 17 rd. All have worked without problems. The Obsidian 9's piston spring has friction on the OD against the walls of the blast chamber, but no friction against the piston. I expected a few balked feeds during break in but only the first round balked. Lube on the piston, spring, blast chamber and all threads has been Permatex 3000 deg F blue ceramic brake grease. I clean and re-lube the spring, piston and blast chamber walls after each range session. The front end cap did get bullet graze strikes when the Obsidian 9 was used on a Ruger PC9 carbine. I have opened the front end cap hole using a half inch drill bit. The factory 9mm hole never got contact from the RXM. Pistol lube has been very light ceramic brake grease or Red N Tacky, along with Crosman Pellgun oil. The RXM is cleaned after each range session. Ammo: Monarch 115 gr brass case 110 rounds, Monarch 115 gr steel case zinc coated 50 rds. These are both supersonic, but I wear hearing protection. Blow back into the face: haven't noticed any. For comparison A TX-22 using CCI standard velocity with a suppressor did give noticeable blowback. Ruger MK IV's don't give blowback because of their design. Blowback is there I just don't notice it. The front of the dot sight does get coated with blowback material and needs to be cleaned after shooting. Results: Other than the balk on the very first shot, probably caused by stiction in the Obsidian 9 piston spring, every shot has been flawless. Cases are ejected to the side and not thrown into the face. It is really easy to shoot the RXM with good accuracy, easier than the MK IV 22/45 that I shot against it, switching back and forth. The RXM won easily. Recoil feels very good and satisfying. All magazines, Magpul, Glock and no name worked fine. My shooting is fast present and shoot using the dot sight or laser mostly, the RXM excels at this but slow aimed fire shoots great too. Noise, not actually sure because I wear good hearing protection always. Shooting from 8 yards the sonic boom isn't noticed, shooting from 26 yards it is. Haven't tried 147 gr subsonic though. Well, that's the story so far. Hope this helps somebody with their decisions. |
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Quite happy with mine. Put a Holosun on it, don't recall which one. Swapped the grey grip for a black one and have since ordered a full size. Changing out the trigger module is a five minute job. Have done no mods to the trigger and don't anticipate doing any. Trigger seems as good as any Glock I've owned. Accuracy is quite good, tho that may be due to the Holosun more than anything else. Haven't put a light on, I may or may night. I have a number laying around but getting holsters and lights to match up is a pain. Ended up selling my 19, but keeping the 17 for now. I like Glocks well enough but am in no way a Glockophile. |
| Thanks for the info. I was looking at the O-Sight rds optics the other day, as I wanted to give an rds another shot but wasn't sure of the quality/longevity. The prices on them have increased more than I remember from not long ago. |
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Originally Posted By patw: Thanks for the info. I was looking at the O-Sight rds optics the other day, as I wanted to give an rds another shot but wasn't sure of the quality/longevity. The prices on them have increased more than I remember from not long ago. |
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