Posted this in General area but no one seems to know much about it. Just dropped into the Glock world and this forum. Hello everyone. Getting back into the shooting sport / reloading hobby after a 30 year hiatus. Dumped the job so to speak before it dumped me maybe. Anyway - came upon this mdl 21. Been looking high and low for any information I can find. Seems it has a Schuemann compensator barrel and Aro-Tec intergrated laser. Serial numbers are stamped into the barrel, slide and frame with the Glock logo also stamped in the barrel. Build date looks to be 92 second gen. Can anyone add anything to this? Was it a factory offered pistol, done by some aftermarket company like Aro-Tec or..........? Way the slide is cut out seems quite unusual. Notice the front sight. It's dovetailed into the barrel. Fits very tightly when locked up. Thanks for any and all information. Attached Thumbnails Wanna kill these ads? We can help!