JP PCC question

ut755ln

ut755ln

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Mar 24, 2011
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Houston Texas
#1
I got to shoot a JP5 at a USPSA event and I was really impressed with it. I went to their web site to look at them and I noticed that they actually make two different PCCs. The JP5 which is a roller delayed system and the JP GMR which is a direct blowback. I am not looking to compete with the PCC. I have shot four two gun matches this year and I always preform worse with rifles compared to pistols. Effectively the courses of fire are for the most part short range with a lot of snap shooting inside 25 yards. I have a place to shoot rifles in a way that I would consider good practice but it is an hour drive from where I live. If I had a PCC, I could hit two different indoor ranges and practice some of what I am hitting in matches. I also am guessing that practicing with the PCC would be less expensive with less wear on the equipment compared to my rifle.

Now that I went through all of that, I would actually prefer to buy whichever version is going to feel more like my rifle (recoil impulse). For those of you that have shot them, can you point me in the right direction?
 
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#2
The PCC that feels most like a real rifle in terms of recoil impulse would be the MEAN Arms MAUL. Can't recommend it highly enough. You can also use your same 3gun rifle lower with it. If you're truly sold on the JP, then I'd recommend the JP5 over the GMR15, and you'll need to experiment with the locking pieces to get the impulse you're looking for. Again though, check out the MEAN.
 
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#3
I have yet to shoot the JP5 roller delayed (it is on my Christmas buy list this year)
but
the blowback PCCs are somewhat jumpy as compared to a 223/556.
Check one of the ranges near you for a rental and see for yourself.

Keep in mind you can pick up a mass produced PCC for under $1k and the JP5 is $3k.
 
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#4
I've shot both, and while the GMR is nice, it and any other blowback PCC will always have a way different recoil impulse than a DI AR15 in 5.56. Compared to a well tuned AR, a blowback PCC will have considerably more recoil.
The JP5 is on a whole different planet. More like a loud 10/22 than any centerfire equivalent i can think of.
 
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#6
I shoot a lot of 2gun matches and built a blowback 9mm a few years back because I thought it would be nice to train with. It has all the bells and whistles you can do to a blowback. While it’s super reliable it’s not a pleasure to shoot at all. Pretty much just sits in my safe. If you want a pcc and can spring for it just get the jp5. I’m a huge fan of jp products in general and will eventually get a jp5 aswell… the recoil impulse as others have stated just won’t ever feel “right” from a blowback pcc.
 
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#7
TonyTheTiger said:
I've shot both, and while the GMR is nice, it and any other blowback PCC will always have a way different recoil impulse than a DI AR15 in 5.56. Compared to a well tuned AR, a blowback PCC will have considerably more recoil.
The JP5 is on a whole different planet. More like a loud 10/22 than any centerfire equivalent i can think of.
Click to expand...
Yeah, I was a little focused on trying to get a similar recoil impulse and setup so that it does not feel different or at least too different. I have shot several iterations of direct blow back PCCs and to your point they do feel different.

The JP5 was 14.5 and had a pinned obnoxious muzzle break that was actually very effective. If anything, it shot softer then my DI rifle.
 
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#8
I own a couple of PCC's which I have shot a bunch of steel challenge matches with. The gun I shoot the most is a cheap Foxtrot Mike. Only upgrade is I swapped in a Geissele trigger and since doing so the gun has run 100%. However, it is not really soft shooting. Still works great for my purposes since I'm not exactly a Grand Master at steel challenge and I doubt the recoil of a DI really slows me down all that much.

However, If I had it to do over again, rather than having 3 PCC's that I play around with, I'd have just bought a JP5. Haven't ever had the chance to shoot one, but I understand that they are simply on another level.
 
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#9
As people mentioned, the JP-5 is on another level and would feel more like a well-tuned AR recoil impulse. The blowback JP GMR would have a completely different feel - still a super fun gun to shoot, just a different recoil feel.

To help you get a JP GMR or JP-5 quicker and save a little cash….

Code: RickyBobby24 will save you 10% on parts at JP Rifles and 5% on complete rifles.

Any questions about JP products, please let me know.
 
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#10
Malcom, many thanks for the discount code. I think a new PCC is kind of on hold for me now. Whatever disposable income I have has been going to ammo (and a couple of EDC knives I just bought). My current Foxtrot Mike PCC has been working fine for now, particularly after I upgraded the trigger. Can't think of a single occasion where it's choked and cost me a bunch of time on a run. And at my level a reduction in recoil and the benefits of a nicer PCC really aren't going to vault me into the upper echelons of Steel Challenge competitors. Probably better to spend my money on ammo and just practice more.
 
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#12
houndog said:
Malcom, many thanks for the discount code. I think a new PCC is kind of on hold for me now. Whatever disposable income I have has been going to ammo (and a couple of EDC knives I just bought). My current Foxtrot Mike PCC has been working fine for now, particularly after I upgraded the trigger. Can't think of a single occasion where it's choked and cost me a bunch of time on a run. And at my level a reduction in recoil and the benefits of a nicer PCC really aren't going to vault me into the upper echelons of Steel Challenge competitors. Probably better to spend my money on ammo and just practice more.
Click to expand...
If you want to just add a drop in part that will make the gun shoot smoother without dropping too much cash, the Maxim Defense roller delay buffer is pretty good. You'll never need to do an unloaded start on the clock in steel challenge so you won't need to worry that it's a little stiff.
 
#15
I’ve shot the JP5 many times now and honestly I’m not as blown away as some are with them. It’s soft, but for what it costs, it’s not really the game changer it maybe should be IMHO when compared to a decent blowback that’s gotten some buffer system love and other tweaks.

I ran a fully tricked MPX for a couple years and they’re virtually as soft as the JP5, but in typical Sig fashion these days, they have warts that reveal themselves as the round count piles up and the piston gets gunked up to where they become utterly unreliable, so I finally moved on.

Like a couple of other guys have already mentioned, the Foxtrot Mike is real solid (and not just for the money), and that’s what I’ve been running for the last few years. FWIW, the Mike’s have just about the only reliable PCC LRBHO design out there if you wanted to train with it like a rifle, for running it dry and practicing reloads like with an AR.

Mine has all the LRBHO parts removed and is short-stroked using a Kynshot 5020SS hydraulic buffer, 308 carbine spring, and Brekke custom buffer spacer and it’s a straight-up bullet hose. I added a ~2lb Hiperfire Reflex trigger (just like I like to run in ARs) which refuses to be killed by a PCC like most other triggers out there and it’s a laugh-machine to shoot. I’ll be adding a Brekke Customs upper at some point to be extra fancy, but it’s already the best PCC I’ve ever played with (…and I’m pretty sure a guy could build 3 just like mine for what a JP5 goes for).

So I guess I say save your money and build your own…
 
#16
CK1.0 said:
I’ve shot the JP5 many times now and honestly I’m not as blown away as some are with them. It’s soft, but for what it costs, it’s not really the game changer it maybe should be IMHO when compared to a decent blowback that’s gotten some buffer system love and other tweaks.

I ran a fully tricked MPX for a couple years and they’re virtually as soft as the JP5, but in typical Sig fashion these days, they have warts that reveal themselves as the round count piles up and the piston gets gunked up to where they become utterly unreliable, so I finally moved on.

Like a couple of other guys have already mentioned, the Foxtrot Mike is real solid (and not just for the money), and that’s what I’ve been running for the last few years. FWIW, the Mike’s have just about the only reliable PCC LRBHO design out there if you wanted to train with it like a rifle, for running it dry and practicing reloads like with an AR.

Mine has all the LRBHO parts removed and is short-stroked using a Kynshot 5020SS hydraulic buffer, 308 carbine spring, and Brekke custom buffer spacer and it’s a straight-up bullet hose. I added a ~2lb Hiperfire Reflex trigger (just like I like to run in ARs) which refuses to be killed by a PCC like most other triggers out there and it’s a laugh-machine to shoot. I’ll be adding a Brekke Customs upper at some point to be extra fancy, but it’s already the best PCC I’ve ever played with (…and I’m pretty sure a guy could build 3 just like mine for what a JP5 goes for).

So I guess I say save your money and build your own…
Click to expand...
You are not the first person to mention this option. I would ideally like to replicate the trigger, controls, ect. that I have on my rifle. Were the last round parts causing you malfunctions? Also now that I looked, which particular model do you use?
 
#17
ut755ln said:
You are not the first person to mention this option. I would ideally like to replicate the trigger, controls, ect. that I have on my rifle. Were the last round parts causing you malfunctions? Also now that I looked, which particular model do you use?
Click to expand...

The LRBHO works great on the Foxtrot Mike lowers, I just disabled that on mine so I could short-stroke it. Short-stroking allows the gun to cycle faster for competition… the recoil force ends up similar or maybe a hair stronger, but it’s over sooner (for faster follow-up shots).

The base gun started out like this (and it is pretty good out of the box, especially once you add your preferred furniture and a nice trigger):


They sell just the lower too if you want to build one from the ground up, but for the most part, most of the stuff they come with isn’t junk. Like the FM 9mm BCG is pretty good, as it has a removable weight you can leave in or pull out to play with how it runs/recoils (for short-stroking it, mine is better without the BCG weight).

With blowback PCCs there’s a lot you can do just by playing with the weight of the BCG along with different buffer system stuff and by experimenting a little with different springs.

You just can’t really skimp on the trigger, a 9mm PCC will kill something like a Geissele in no time, so I always recommend one of the higher end Hiperfire Hyper touch series triggers or one of their PDI series triggers (which will survive the punishment).
 
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