JCP 40

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JCP 40

Postby lost californian » Fri Feb 05, 2016 2:59 pm

The step-son-in-law got a brand new one of these today. He's been wanting to get A handgun, and price is a big factor for him so I recommended a Hi Point. He chose the flavor. Any hints/tips/tricks for right off the bat? Cleaned it and lubed it and shot it, was getting at least one stovepipe/failure to eject each magazine. Usually round 8 of 10 would not clear the gun. Both of us had the same experience. Looked over on HPFF, general suggestions say break in magazine and maybe tweak it a little bit.

Thanks, y'all.
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Re: JCP 40

Postby adam01364 » Fri Feb 05, 2016 3:13 pm

I'd exercise the magazines -use a ruler and just press the follower all the way down and let it come back up. Repeat. 100 times.
Also try loading one less round in the mag. Finally, smack the mag against a board or something after you've loaded it - seems to help settle the bullets in the correct positions.
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Re: JCP 40

Postby Kiln » Fri Feb 05, 2016 3:56 pm

adam01364 wrote:I'd exercise the magazines -use a ruler and just press the follower all the way down and let it come back up. Repeat. 100 times.
Also try loading one less round in the mag. Finally, smack the mag against a board or something after you've loaded it - seems to help settle the bullets in the correct positions.

Agreed on all points. I find that this helps with all mags but really helps with cheap ones because let's face it, a Mec Gar mag pretty much runs out of the box while a budget in house mag usually needs some coaxing.
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Re: JCP 40

Postby FergusonTO35 » Sun Feb 07, 2016 11:31 am

What kind of ammo is he shooting? A college friend had a Beretta 96 that simply would not function at all with Winchester white box. Nothing but fail to feed and/or stovepipe. Ran 100% with everything else.
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Re: JCP 40

Postby lost californian » Sun Feb 07, 2016 1:09 pm

Thanks for the advice. He has loaded the magazine and is letting it sit for a few days, see what that does.Ferg, I don't know the brand ammo, blue box of something cheap from the store. Magtech, mebbe. Did talk to him about the ammo, that some guns just won't work right with some ammo. Will probably let him run some of my reloads, they are 200gr lead @ ~900fps. See if he can visit next weekend and get some shooting in, see if anything has changed.
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Re: JCP 40

Postby FergusonTO35 » Mon Feb 08, 2016 4:08 pm

How many mags does he have for it? Might just be one bad mag, which HP will happily replace.
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Re: JCP 40

Postby lost californian » Tue Feb 09, 2016 5:21 am

Only one came with his pistol.

In my usual speedy fashion, after he had left I remembered that I have 6 mags for my .40 monkey gun, and they are supposed to fit the JCP. Next time he comes over I will try them out, see what happens.
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Re: JCP 40

Postby FergusonTO35 » Tue Feb 09, 2016 7:34 am

Sounds like a bad mag to me. HP now has flush fit mags, which are far more desirable than the 10 round/24 volt rechargeables.
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Re: JCP 40

Postby David Vincent » Fri Feb 12, 2016 3:56 am

ejection is not a magazine issue. I would check the extractor and ejector (firing pin) That guns ejection works on loose tolerances. The Fireing pin pushes the rim into the extractor claw until the moment the empty case clears the chamber then the rim will roll off the front of the hook as the spring pushed Fireing pin pushes from the back.

when you test ejection with these guns you must use an empty case. A loaded round will often be heavy enough that it will drop out of the claw upon extraction due to weight. So use a spent case and see if its ejecting consistently.

Hard to tell without having it in my hand but could be a couple things.

Rough chamber or burr catching the empty case..... I doubt it though

Mis shaped extractor front.....causing shell to roll off the front incorrectly angle sometimes jamming up the action

Extractor claw not grabbing..... I would start here. Could be gunk or bad spring, could be misshapen claw, could be short rim on ammo. It almost sounds like the claw sometimes slips and the blowback action is just shooting the empty case back. at that point the next round feeding can hit the empty and jam up the action. You really need the claw to grab the case well. I run into this a lot with SNS guns. I can talk to you all day about extraction LOL. I have even had to make a few extractors from scratch before to get things right.

weak firing pin spring...... I have never had this happen on a Hipoint but its possible.

Check your extractor first. use an EMPTY case. Put in chamber, pull trigger, eject empty case and observe what happens. If you dont pull trigger to release the Firing pin it wont eject the round at the same point when Firing a live round.

magazine issues typically relate to feeding. If the gun is feeding correctly the magazine should be fine. that empty case should be long gone before the next round raises to the top of the feedlips.

also could be ammo and even maybe shooter error but those guns should shoot anything once dialed in.
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Re: JCP 40

Postby kalboy » Fri Feb 12, 2016 7:01 am

I agree with David that this most likely isn't a mag issue. The only thing I might add to the good advice he's provided above may be to suggest to clean and dry the chamber. Follow this with chucking a length of cleaning rod in a cordless drill, attach a bronze bore brush and work the chamber over. Then attach a bore mop coated with Flitz or some such and slick the chamber well, then clean . This cured a balky extracting and ejecting Marlin Camp 9 for me once.
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