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Posted: 9/12/2014 5:59:14 PM EDT
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Hi all...I'm running a 9mm Just Right Carbine, and I just installed a Slide Fire stock. I cant seem to get it to run without instant malfuntions...namely double feeds. Locked in semi auto...it runs flawless. Once I switch it to bump...it fails immediately. I've tried ball, HP, and +p...all high quality. I've tried numerous firing techniques and positions with no luck. Can't seem to find any threads with my problem on my rifle. Anyone have the same issues?
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The typical problem in the Bump SAW thread is hammer follow, not double feeds. How fast can you run it in semi-auto? Get any problems then?
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Quoted:
I'd have to say its because of the blowback operation of the carbine. Its acting just like a pistol would if you were limp wristing it. I don't have a super detailed knowledge of 9mm carbines per se, but I do know about the bump fire stocks. I'd say this is probably correct. Could your recoil spring and/or buffer could be too hard/heavy? Just an idea. |
| Yes, all mags were factory Glock...from 10 rounders to 33 round stick mags. It actually fires flawlessly pulling the trigger semi-automatically at a rapid pace. After my original post, I actually filmed the bolt cycling on 8x slow motion on my Galaxy S5 and found the bolt is actually bouncing violently off the chamber and partially stripping another round. It also looks as if the trigger is firing before it closes again, which explains the instances where I thought the trigger failed to reset....a common bump fire issue. There were also a few light hits due to this when I picked up the cleared malfunctions off the floor. This is an absolute disastrous OOB detonation waiting to happen. The recoil spring and buffer setup is proprietary to JRC, extra heavy to allow hot ammo in a blowback. Not sure I could get it any stiffer...not sure I want to. I think I'm going to walk away from this idea before I end up with shrapnel in my face! Thank you all for your input!!!!! |
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Quoted:
Yes, all mags were factory Glock...from 10 rounders to 33 round stick mags. It actually fires flawlessly pulling the trigger semi-automatically at a rapid pace. After my original post, I actually filmed the bolt cycling on 8x slow motion on my Galaxy S5 and found the bolt is actually bouncing violently off the chamber and partially stripping another round. It also looks as if the trigger is firing before it closes again, which explains the instances where I thought the trigger failed to reset....a common bump fire issue. There were also a few light hits due to this when I picked up the cleared malfunctions off the floor. This is an absolute disastrous OOB detonation waiting to happen. The recoil spring and buffer setup is proprietary to JRC, extra heavy to allow hot ammo in a blowback. Not sure I could get it any stiffer...not sure I want to. I think I'm going to walk away from this idea before I end up with shrapnel in my face! Thank you all for your input!!!!! That's actually good to know. I would step away from the 9mm and use the stock on a. 223. |
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Quoted: Yes, all mags were factory Glock...from 10 rounders to 33 round stick mags. It actually fires flawlessly pulling the trigger semi-automatically at a rapid pace. After my original post, I actually filmed the bolt cycling on 8x slow motion on my Galaxy S5 and found the bolt is actually bouncing violently off the chamber and partially stripping another round. It also looks as if the trigger is firing before it closes again, which explains the instances where I thought the trigger failed to reset....a common bump fire issue. There were also a few light hits due to this when I picked up the cleared malfunctions off the floor. This is an absolute disastrous OOB detonation waiting to happen. The recoil spring and buffer setup is proprietary to JRC, extra heavy to allow hot ammo in a blowback. Not sure I could get it any stiffer...not sure I want to. I think I'm going to walk away from this idea before I end up with shrapnel in my face! Thank you all for your input!!!!! Excellent trouble shooting method. Is there a way to lighten the spring & just not use +P ammo? |
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