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The Range
Gunsmithing & Repairs
Polymer80 Glock-ish troubleshooting assistance
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<blockquote data-quote="cmeilahn" data-source="post: 3689123" data-attributes="member: 49725"><p>I had the bright idea to try the slide from my other build that's waiting on me. It had similar issues, which mostly pointed to the frame and lower components as the main culprits, but a couple items on the slide too. I made a few adjustments (below), and the action smoothed out nicely. After 1-4 were done and "set", I went ahead and replaced the firing pin spring, firing pin safety spring, connector and trigger spring with a lower trigger-pull weight, and then the extractor depressor assembly. Now the trigger is like butter too, and the LCI works as expected and the brass ejection is much more consistent.</p><p></p><p>So here are a few things I did, and each had some impact, with the first having the most, and each successively less:</p><p>1) Frame: Additional sanding & re-polishing the recoil spring channel in the frame (it was already down to the spec/etched cutout lines of the blank & smooth, I brought it a little "lower" and polished it smooth again. Before doing this, results were the same with each of the recoil spring assemblies.</p><p>2) Frame: Additional shaping and polishing of the trigger bar "fin" - to round it out a little bit more than spec.</p><p>3) Slide: Additional "smoothing" and polishing the firing pin safety plunger - to round the top edge a little more than spec.</p><p>4) Slide: Tried a couple different recoil spring assemblies... the one I've been using was the worst of the 3... After looking at it, I think it may have a G19 bar with G17 spring... the spring is super-wavy, whereas the other 2 are "straight" when "neutral"</p><p>5) Frame: Trigger spring changes... this made the whole action a lot smoother and "lighter" overall</p><p>6) Slide: Extractor depressor assembly... this was mainly to fix some issues I had with erratic extraction and the loaded chamber indicator not presenting well, not so much the action.</p></blockquote><p></p>
[QUOTE="cmeilahn, post: 3689123, member: 49725"] I had the bright idea to try the slide from my other build that's waiting on me. It had similar issues, which mostly pointed to the frame and lower components as the main culprits, but a couple items on the slide too. I made a few adjustments (below), and the action smoothed out nicely. After 1-4 were done and "set", I went ahead and replaced the firing pin spring, firing pin safety spring, connector and trigger spring with a lower trigger-pull weight, and then the extractor depressor assembly. Now the trigger is like butter too, and the LCI works as expected and the brass ejection is much more consistent. So here are a few things I did, and each had some impact, with the first having the most, and each successively less: 1) Frame: Additional sanding & re-polishing the recoil spring channel in the frame (it was already down to the spec/etched cutout lines of the blank & smooth, I brought it a little "lower" and polished it smooth again. Before doing this, results were the same with each of the recoil spring assemblies. 2) Frame: Additional shaping and polishing of the trigger bar "fin" - to round it out a little bit more than spec. 3) Slide: Additional "smoothing" and polishing the firing pin safety plunger - to round the top edge a little more than spec. 4) Slide: Tried a couple different recoil spring assemblies... the one I've been using was the worst of the 3... After looking at it, I think it may have a G19 bar with G17 spring... the spring is super-wavy, whereas the other 2 are "straight" when "neutral" 5) Frame: Trigger spring changes... this made the whole action a lot smoother and "lighter" overall 6) Slide: Extractor depressor assembly... this was mainly to fix some issues I had with erratic extraction and the loaded chamber indicator not presenting well, not so much the action. [/QUOTE]
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