dmshozer1
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Posts posted by dmshozer1
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On 7/28/2022 at 5:48 PM, dmshozer1 said:
I called them about my trigger not re-setting after 500 rds,
They told me they do not sell them there and I had to call Planet Optics.
They have a 30 day return policy. I bought it months ago.
Looks like I am stuck with a defective trigger.
My identical main gun has thousands of rds with the same trigger.
Follow up,
I somehow called the wrong number for CMC?
A few days later I realized that and called CMC.
They are going to replace the trigger, no problem.
As people have been saying, great customer service!
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8 minutes ago, Boomstick303 said:
Serious competitors change these items out of almost any gun the compete with to fit THEIR preference. Not because its functionality issue. Three people who own the gun say the stock trigger is not holding them back. I will believe them before I believe someone who doesn't own the gun.
If you believe that,
That's okay.
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2 minutes ago, Boomstick303 said:
Really???? You think that the stock, trigger and safety change how the gun performs? I could see how one could think a trigger could affect say splits, but other than that the stock and safety affect how the gun performs how exactly?
$3000-$4000 dollar guns are not for everyone. But leave it at that. Not how a grip and/or safety make or break how a gun performs.
I mentioned those changes to say in my opinion that they should already come on a expensive competition gun.
Not that they would make the gun run better. But I do believe a good stock that balances a gun better.
A better pistol grip that positions the trigger finger better. A 45 degree safety that comes off faster.
As you say, better splits and accuracy with a better trigger.
Do they make the gun run better, probably not but they sure make the gun perform better.
That is why most serious competitors change them.
That is how exactly.
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44 minutes ago, uhmeebuh said:
Yes - just my personal preferences. I find the JP triggers a bit too heavy and prefer 45 degree throw safeties. The PRS lite stock adds a bit of weight to the back and is very solid. It’s still more than half a pound lighter than my MPX and the weight is to the rear so it swings very fast.
However, the comp is pinned and welded from the factory so it’s not an SBR and it’s included on the “basic” all purpose carbine build: https://www.jprifles.com/buy.php?item=RR-JP5G940/TCAPC
I would have liked the competition comp but there really isn’t much of a difference between them (according to JP). It’s still a 9mm through a long barrel so not a lot of blast to actually use for each shot.
I guess its just me but for a three to four thousand dollar over priced competition PCC , I would
expect a better stock, pistol grip, trigger and safety.
It does sound like after changing these things that the gun preforms.
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12 hours ago, uhmeebuh said:
[Long post, might bunch some panties, details and pics at the end]
I’m lucky enough to be one of the first “regulars” to pick up a JP5 from my local dealer. Unless it’s winter, it can be sometimes good to live near JP and Arnzen
Some context: I shoot some local PCC (but mostly CO and a bit of Open pistol) and have a GMR and a newish MPX competition. I have owned a number of PCCs from MP5s to Scorpions to B&T APCs and others.
Unpopular initial take: I shot the MPX and JP5 back to back a few times over this weekend and…well, the MPX shoots softer and flatter with factory 115 ammo (Norma and Federal). I know this will be an unpopular take, but that’s what I felt (along with a few other folks) with 4 types of factory 115 ammo. The JP5 was flatter shooting than my GMR but the MPX had it beat. Split times were in the same ball park for all three but the recoil impulse wasnt great for the JP5. With the factory loads, it flung brass far so it seems like the locking piece wasn’t quite right for 115gr at ~1200 FPS. After the first few mags, I wasn’t sure I spent my money well….and it was a rare JP letdown. But I was wrong…
A buddy offered up some Federal 150 syntech, the JP5 was BY FAR superior and it came alive! It shot a lot like an MP5 in feel and recoil impulse but softer and faster. My MPX won’t even run the 150 syntechs well. The difference was literally laughable - everyone who shot it laughed their asses off. It was unbelievable and still processing all of it. With some hand loads I bet it runs amazing. I’m smitten….
I was pretty skeptical about it after shooting factory 115 ammo and hope a 70 degree locking piece becomes available shortly from JP so I can do some tuning for some faster hand loads (I like them for longer shots). Otherwise, a hand load with a heavier bullet around 130-135 PF would likely be great as it comes with the 80 degree locking piece.
The JP5 is a game changer - I’m now a believer…and now need to sell my GMR so I can afford the thing.
A few details for those interested:
- You can’t run cartridge triggers at this time. Even JPs versions. There’s a lever inside the lower that makes cartridge triggers not possible (see pics). I’m running a Geissele 3 gun and it works great.
- The barrel is not a slip fit like the GMR - it’s threaded in so hand guard changes are a bit more complicated (not sure if they are cryo fit or not).
- The silent capture spring is just two steel weights and is very light. Quite the opposite of the blitzkreig and tungsten weight I run on my GMR. JP recommended I not mess with it but a few folks in the know seemed to think otherwise. I won’t second guess it for now and think the locking piece is a better (and simpler) answer.
- The ergos are awesome for left hand mag releases the left side mag release is in a good spot. The right hand (well, right finger) bolt release works great with not a lot of pressure.
- It runs a radian MCX charging handle - says so right on it with the JP logo as well. Interesting and nice that it’s not a proprietary part.
- The quality and fit and finish is typical JP - excellent and it makes me feel bad when I pick up the MPX.
Anyway, I don’t post much but didn’t see a lot from regular joes with a JP5 so figured I would share. Let me know if you have any questions until the specifics are more available.
Looks like you replaced the trigger, pistol grip, stock and comp.
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16 hours ago, 1911flyr said:
Received my JP-5 last Thursday. I have tried several loads in it already. I settled on a PD 115gr jhp at 138 PF. The comp works. Muzzle does not rise and shoots flat. Much softer than my GMR15 with the same load. My Bayou bullet 147 at 140PF was even softer but don’t want to clean the comp after use.
To test to see if the comp is working, hold the rifle about 2 inches away from a paper target.
Fire one rd. If it is working there will be a perfect round hole, no residue.
If it is not working the target will be black with powder residue and probably no bullet hole, just torn paper.
This means all the gas is coming out of the end of the comp. The gas should be coming out of the ports.
I think the gun shoots flat because of its design, and your style of holding it correctly,not that particular comp.
Its a fun thing to do. I test every comp I have ever used with any caliber rifle.
I have gotten some interesting results.
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5 minutes ago, DRed said:
I am 2-3 weeks out on receiving my JP-5 from SC. Looking for something to start loading’s for JP-5. It has a huge comp on it have not seen any loads working the comp. Normally I shoot open gun 4 1/8” barrel with two popper holes skued at 8.5 degrees back toward shooter with 8.4 grains of 3N38 and small rife primers open pistol love it. Why nobody working the comp
love it
It is an old Benny Cooly .223 comp that worked great on a gun that provided enough gas to work it.
Wrong design and dead weight on a 9mm PCC.
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On 6/15/2022 at 8:10 AM, bigdawgbeav said:
I am running the 3.5# CMC flat trigger (not the PCC specific version) and it works great in my AR-V. Also had the same one in my 15-22 when I was running that in RFRO.
I'm sure I have said all this before, but this post is more to highlight CMC customer service. A buddy of mine runs CMC in his 15-22s and ended up with issues. Called CMC and they said they will replace them right away after apologizing 6 or 7 times. That was it, no questions about round count, maintenance, etc. Just a simple "we are so sorry, here's new triggers"
I called them about my trigger not re-setting after 500 rds,
They told me they do not sell them there and I had to call Planet Optics.
They have a 30 day return policy. I bought it months ago.
Looks like I am stuck with a defective trigger.
My identical main gun has thousands of rds with the same trigger.
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2 hours ago, jerseyglock said:
Wear a good mask and eye protection while cutting.
Agree,
I have heard that cutting carbon fiber is not good for you.
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I have your ULW sleeved 5" barrel now,
I put a foam tube over the sleeve to use as a handguard.
Saved a lot of weight and has worked perfect for me.
It does not look like that will work on your new set up.
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2 hours ago, TRUBL said:
should be fine......I'd use masking tape....draw what you want to cut on the tape.....remove it, then use a finger nail file to smooth any sharp edges.
Thanks Tim,
I just ordered your ULW with the mid length comp.
I'm thinking I have to use your carbon handguard with it.
My thought was to cut a hole over the comp ports.
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Carbon fiber handguard
I want to cut a 1" x 2" long hole in one with a Dremel type cut off wheel.
Will that be a problem?
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40 minutes ago, Dirty_J said:
There are very few unmodified bolts out there that can reset the trigger quickly enough for most short stroke setups. Having your setup long that needed and then shimming it down is the only way (IMO) to shorten the stroke and not dramatically impact reliability. Just dropping in a 0.30" or 0.40" spacer (or more) without finding the highest point of reliability is gambling at best.
I've got a Davinci gun on the way to my FFL with the Scheel. Will be evaluating it hard to see if it can win out over the Blitz stuff.
My shooting partner has a Scheel Davinci,
Sweet running gun.
I am also running all the Blitz stuff. Very nice but always looking to improve.
I am trying to duplicate the Scheel set up with out the delayed buffer
to see if it's the delayed action that makes it run.
That is why all my questions about weight etc.
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51 minutes ago, Racinready300ex said:
I tried shortening the stroke a lot and started having trouble with my trigger not resetting right and other little hiccups. So I pulled all the extra spacers out and shot it and found the dot movement really wasn't any different than it was before. So I figured why waste time trying to find the shortest stroke I could? Now I'm running practically a full stroke. I talked to Corey at a match and told him my findings, he said he doesn't shorten his stroke either. He feels the gun shoots better with a longer stroke. Added benefit if I decide to shoot IDPA my LRBHO works now.
I think it probably comes down to personal preference. The theory of a shorter stroke is basically to return the dot faster. But you're also stopping all that weight in less distance. It's a trade off either way you go. I know even with a full stroke I'm not out running the gun, so do I really need to speed it up?
You're best bet is to experiment and see what you like.
Sounds like a plan.
Thanks
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Very interesting,
Could you explain why you think that.
Seems like everyone short strokes their PCC.
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4 hours ago, ChuckS said:
I have a carbine length stock. I use 2 "heavy" springs in the first 2 positions and a "light" in the third. The fourth hole is empty but it is really too close to the hinge to use anyhow. I use the Scheel provided spring and the provided spacer sitting atop a ~1.25" delrin rod. I really like it and the best summary of performance is there there is not one guy who tried my rifle who didn't buy the system.
FWIW: The load I run is a 115 Gr at ~1200 FPS.
Great Information,
Thanks!
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8 minutes ago, ChuckS said:
Mine is 2.925" long and weighs ~ 6.5 Oz.
Hope that helps!
Thank you,
Carbine or rifle length stock?
Short stroked?
Spacers used behind buffer spring?
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Can anyone tell me how much the Scheel roller buffer weighs
and how long it is?
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On 6/29/2022 at 1:23 PM, matteekay said:
Yes. Your hit will be scored and you'll be assessed one miss, but you won't get a procedural for not firing enough shots since it's a disappearing target.
Got it,
Thanks
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Let's say a drop turner that disappears,
You hit it with one shot.
Do you get one miss?
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2 hours ago, IL-SIG said:
For future purposes it sounds like a better positioned target would have minimized this issue.
It was not meant to be engaged that way,
It turned out to be a gaming thing to save about six steps.
You know how that goes.
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21 hours ago, Schutzenmeister said:
If it was ONE shot I would only score ONE hit (A, in this case.) Or am I missing something in the OP?
I should have explained it was two shots across the target most times.
In some cases other shooters would have a C or A hit.
Sometimes there was only one hit on the target.
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40 minutes ago, Fishbreath said:
The NROI blog answered a very similar question a year or two ago, here.
TLDR: if the hit penetrates the target, score it as the highest scoring zone it touches. 2A is the right call.
Perfect!
Thank you.
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Paper target was set so a shooter could shoot it at an extreme angle to save foot movement.
The bullet would hit in the C zone, go across the A zone and continue across the C zone.
The bullet mark went from C to C. I know, it sounds like a song.
I don't think 9.5.5 solves the scoring problem.
We scored it two A's.
What do you think?
Rifle in cart
in USPSA/IPSC Rules
Posted
I thought there was a USPSA rule that a un bagged, chamber flag inserted PCC in a cart
had to be 6 feet or so, muzzle pointed at a side berm while waiting to be called to shoot.
I cannot find the rule if any that says this is required.