1/11/2024 0 Comments Gen 4 glock 19 mos slide![]() I programmed the mill to remove a pocket in the slide. The mill is a 3000 lbs monster with computer controlled axis. I popped into work on the weekend and set the Atom in the jaws of our mill. The top of the Atom slide was 0.012" thicker than the Glock slide. I broke out the calipers and took some measurements. I decided to put my experience with building 1911's to the test. There also wasn't enough time to have my other G19 slide sent out for milling. The problem was, I had already sold my MOS slide to buy the Atom, so my RMR would be out of commission for the Sage Dynamics course in 2 weeks. They said the slide might be out of spec and I could send it to them. I called Unity Tactical and described the problem. Wear on barrel hood from contact with slide So either the slide was out of spec, or Glocks tolerances are looser than an 1973 MG. I tried swapping barrels, and locking blocks with the same results. I tried the slide on my other non-MOS Glock 19, also a Gen 4 and the slide hung up but didn't get stuck. The barrel was not dropping down far enough and as the slide retracted, it was wedging the barrel between it and the locking block. The top of the slide however had a pronounced wear line on the front of the hood. I removed the slide inspecting the barrel lugs and locking block for debris or wear. I banged on the rear of the slide and it shot forward. There was no movement in the barrel either. The slide stop was not engaged in the notch. Locked open about 1/4 inch from fully to the rear, stuck in both directions. I installed the slide on the frame and pulled the slide to the rear. My factory barrel and slide internals all went in without a hitch. I wanted black, knowing that the FDE finish would wear as badly as my FNX 45 Tactical, but since I planned to use this at a Sage Dynamics Handgun course, I knew that no pistol would come though without a few battle scars. When I received the slide all was right in the world. 17-4 stainless, interchangeable optic plates, a la MOS, rear sight forward of the optic, front serrations, raised sights, and the same weight as a factory slide with an RMR mounted. Then I happened to find one on Gunbroker and jumped on it.ĪTOM w/ RM07 - Front sight completely blended with background I knew of the Unity Atom slide, but they were sold out at every online retailer. I thought about sending my other G19 slide to Agency Arms ($$$!) or AETI, but knew I would'nt get it back before the class. I also noticed the rear sight kept grabbing my attention away from the target. Would it survive 1000+ rounds, being used to rack the slide one-handed. I had doubts about the Burris unit surviving an upcoming Sage Dynamics Handgun course. I knew I'd need a lot of practice to be able to find the dot as quickly as my irons out of the holster, but the increased hit probability at 25 yards and speed of follow up shots past 7 yards made me realize the red dot would stay. Glocks are boringly reliable, and I'm really starting to like the red dot. One 350 round range trip confirmed 2 things. I mounted my Burris Fastfire 3 on the slide with the provided adapter plate. I swapped the factory craptastic sights with a raised set from Dawson Precision. ![]() A Glockmeister grip plug, Vickers mag release, and OEM extended slide release round out the new parts. The trigger is from Apex, the connector a Ghost 3.5 Evo. That's why even though it has been the most frustrating thing I've ever put on my Glock, I'm glad for the experience. Do you like 1911's? Do you enjoy patiently fitting and troubleshooting parts? Can you fit a 1911 barrel? Do you have a steady hand with a file and access to a mill or machine shop? I do. My experience with the Unity Tactical Atom slide has been a two-sided affair. It's less of a review as much as a story.
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