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Discussion Starter · #1 ·
So I took my new build to the range yesterday. Good news was that it fired. Bad news is that it will only fire one round at a time. Sometimes it wouldn’t extract the spent case sometimes it wouldn’t. When it would extract the spent case, it was having an issue going back into battery. The lip of the case would get caught on the feed ramp. I have an aftermarket slide with tons of lightening cuts, 3 windows, and an RMR cutout (didn’t run with an RMR). I have an aftermarket stainless non captured guide rod from primary machine with an OEM equivalent spring. The issue IMO is that the spring my new too heavy and there is not enough weight - keeping it from going back far enough. My question is, should I go with a lighter spring, or is that not my issue?
 

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You have a non captured guide rod so it will be easy to test springs at the range... Buy a couple and test them.

Are you shooting low powered reloads? Might need to bump up the power factor a bit.
 

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Discussion Starter · #3 ·
I was shooting 115gr federal rounds. I’m thinking the spring may be the issue, but I figured I would seek some input before order a different spring weight. Thanks for the input!
 

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Often, when I see rounds jam at that point on a Glock it's because the rear of the brass couldn't move up the slide. It has to slide up the face of the slide and behind the extractor. If something stops it (i.e. extractor is too tight as one reason) it looks like the round jammed on the ramp. Given the issues you are having with extraction, I would look at the slide.

Another thought, the part of the slide that strips off the next round is even with the face of the slide. The slide would have had to recoil far enough to strip the next round which is far enough to cycle. I would expect a short cycle to not strip the next round off so I think it's unlikely that's where the problem is but it is still possible.
 

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Do you have another extractor to try in it ?

Also compare the angle and depth of a Glock OEM and the one that is being used.


And of course the duh factor, make sure the extractor plunger is in the correct way.
 
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