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It is a JM Pro Tactical. I pulled it apart again, cleaned and oiled again. I sent it home with a coworker who has a place to shoot. He shot about a dozen shells and it worked fine. However when you use the bolt release to load the shell everything is fine but if you use the charging handle, the...

I have read the manual and watched the vids. I took it apart tonight and everything looks fine as far as i can tell. It function tests fine. I worked fine before i took it apart to add the OR3GUN parts. I'm baffled as it will not fire at all.

Hello all. I am having an issue with my JM Pro. I bought it new in December. I used it a couple times and worked ok. Some light target loads wouldn't eject. Everything else worked fine. I managed to find the OR3GUN parts. I installed them a while ago. I was out this weekend to try it again and...

Well that was easier than I expected. I thought there would be something to hold it in. Thanks again for the help.

Excellent, thank you. I will give it a try.

Hello all, I have a question about the mag spring retainer clip. How does that clip come out. I haven't been able to find any info on it. I'm sure it's super simple but I don't want to wreck it. I want to clean the mag tube as that's the one part I haven't cleaned yet. Thanks for the assistance.

Excellent, good to know.

Hey all, new guy from Alberta here. Have a few Mossberg pumps and just bought my first semi auto. Great site here, tons of good info.

Good day all. I have recently bought a 930 JM PRO. This is my first semi auto Shotgun. I am in Canada so my 930 does not have a mag tube extension. Is it necessary to remove the mag tube spring for regular maintenance? I can remove the cap for disassembly and there is still a retaining clip to...