nickbfishn
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Posts posted by nickbfishn
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Took my rig to the range Friday and match in Saturday. Using 130pf ammo and the jpscs with 90% spring, 3 SS & 1 tungsten weights. The bullets are 147 flat nose bayou bullets. The gun ran flawlessly and the dot movement is minimal. Practing double taps at 35' I am able to keep them well within the A! I'm pretty happy with it now.
I still plan to work on the barrell extension like Max showed. And I'm going to change from N320 and work up a load with a slower burning powder and see what else I can do.
Any suggestions on slow burning powder?
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7 hours ago, Maxamundo said:
These guys I think have extremely high minimum qty orders. I just asked for free samples.
Otherwise you can buy the same springs here: https://www.amazon.com/gp/product/B0085ZOZFI/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1That's a high dollar spring ?
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9 minutes ago, MHitchcock said:
And hes faster now. Check out some of the more recent videos lol.
**oh and pretty sure he is running round nose 115 grains right now**
Well I'll B, no wonder he knows his $hit.
I think 3 things about that video.
1. I feel bad for some of those RO's trying to keep up.
2. I think that video is playing on 2x speed ?
3. That barrel has zero flip!!
Very awesome Max!
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3 minutes ago, MHitchcock said:
Not often that you get advice from the PCC national champion
? no shit?
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Max, you certainly seem to know your stuff and I appreciate this thread being hijacked in the manner that it has!
So to clarify something, after you essentially created a feed ramp with your dremel tool did you still have problems using the flat nosed 147's? I know you say a round nose would be more reliable (and now I know why) but I have several hundred 147's and I'm now somewhat hesitant to use them as I plan on shooting my ATi milspec in my very first pcc match this weekend.
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12 minutes ago, Maxamundo said:
Interally my buffer system looks almost identical to this, except I use an inverted delrin .223 buffer instead of this custom cut milspec one with bumper.
What's the extra spring on the backend?
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11 minutes ago, Maxamundo said:
it comes stock with the 110% 308 spring (red/yellow)
Are you shooting factory ammo or reloading? What is your power factor?
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55 minutes ago, 1911luvr said:
I like the Matrix Charlie I got my GF:
Sent from my iPhone using TapatalkLooks good!
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23 hours ago, nheiny13 said:
will this trigger work in a PCC?
I have it in my ATi milsport and it works perfectly. Almost too good to be true
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I bought the extra weights and spring kit direct from jp. They don't send any additional parts with the buffer.
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Yes, I have the green 90% spring installed but you have to buy it as the kit that comes with all 5. I also have 3 stainless steel weights and 1 tungsten as opposed to the 3 tungsten and one stainless steel (stock form).
When I get back to the range with my 130pf ammo I'm going to try the black and also the yellow for shits and giggles.
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i bought this because a buddy had one and was telling me how good it performed for him. I am amazed by this trigger! Mine actually pulls crisply at 2.75lbs and does everything right. I think I'm going to get one for each AR I own! They also have the same system with a curved trigger as well.
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I ran my pcc for the first time today with the jp scs setup exactly as Eric's and I really like it. I was able to hit double taps within 2" groups at 40' many times over and over using 147gr bayou bullets loaded to 138pf. With the buffer in the stock form I couldn't get the doubles within 3 or probably even 4" at only 20' away. I'm anxious to see what I can do with my 130pf ammo (I didn't have it with me, I grabbed the wrong box)
Btw, Eric, thanks for all your tips and suggestions thus far. I think I'm ready for a match!
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Finally able to shoot this afternoon and test things out. So far so good as the system works great and The handguard feels good in my hands and didn't come loose after 100 rounds or so.
Range report forthcoming
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So I got the 15" matrix along with an eBay comp installed and they both look and feel solid. Hopefully I'll hit the range in the next couple off days to see how they feel along with my jpscs spring with reduced weight spring and 3 SS weights and powder puff loads.
Range report forthcoming
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On 6/14/2017 at 7:30 AM, Aircooled6racer said:
Hello: I don't know what the carrier weight is on the new buffer but I do know the weight of the weights. Tungsten weights are 1.4815ozs, steel weights are 0.6949ozs so you can figure out what the total of all the weights are for the two buffers. If you are running reloads get the 4 weight buffer and make it lighter. If you are running factory ammo in a 14.5-16" barrel I may think of getting the other buffer but still think the 4 weight one will work fine. I am running 16" barrels with lightened buffer setup with 147 grain bullet in the 134PF range. Thanks, Eric
Eric, this may be splitting hairs, but do you have a preference on where the 1 tungsten weight falls amongst the 3 SS weights? I'm sure it doesn't make a shits difference, but curious if you have an opinion on that?
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On 6/17/2017 at 3:45 PM, MHitchcock said:
115s are cycling the bolt faster. You are noticing more up and down with the 147s because the bolt velocity is lower.
If you lighten up the weights and or springs in your SCS the 147s can have the same dot movement with lower shoulder felt recoil.
I got my SS weights and springs in so now it's time to test and tune.
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14 hours ago, v1911 said:
If you're running a Dillon press, it can vary as much as .1gr per throw. Also, mixed brass will have an effect on consistency.
True on the Dillon, and the brass was mixed, but it was once fired and ultrasonic cleaned and no military
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14 hours ago, jlo86cj said:
Sounds about right. I ran my production load through an ATI and got 141. Its 3.2 gr of n320 with an acme 147 at 1.100".
How many rounds are you running through the chrono for your average?3 strings of 5
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9mm 147 bayou bullets
1.130 oal
mixed brass
cci primers
n320 2.8/2.9/3.0
16" barrel
Ati milsport
so today the 3 loads were tested. Prior to changing each powder level the loader was cycled several times than the grains measured 3x for accuracy.
2.8 of n320 ran a pf averaged to 130.6
2.9 of n320 ran a pf of 137
heres where things get weird...
3.0 of n320 ran a pf of 137.8
and with all rounds the brass is wicked dirty afterwards
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Update.
Loaded 147 bayou bullets
3.0 n320
1.125 OAL
my setup is using the 9mm JPSCS II as is with no midofication.
the loads worked, but my dot movement was more with my reloads that they were with factory blazer 115 ammo.
I shout about 50 of each and would even put 5 & 5 in the same mag to see if I was hallucinating, but the factory moved less.
To get even stranger, the factory had more felt shoulder recoil, but the 147's made the gun bounce more.
Thoughts?
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Problem I'm having now is removing the old barrel nut. I'm not sure what te secret is, but I'm going to try applying heat next to see if that will break it loose
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1 hour ago, JWil said:
Looks like you got if all sorted, but just in case anyone else is looking...
I love the Seekins SP3R handguard. Im 6'2" also and the 15" fits me perfectly. Have them on all my match rifles.
Still playing with the optic position.
Good looking weapon!
My matrix showed up today and I'm beside myself at how well built an light it is for the price.
meanwhike, I actually put a seekins in my hand today and I really liked the feel of it with that flat bottom. If I build another it is forst on my list.
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Anyone know this?
Which Recoil System? JP SCS Gen 2 vs MBX PCC Buffer System
in Pistol Caliber Carbine
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Nailed it, doing it just for kicks. Besides if I don't experiment with other loads I'll constantly ask myself "what if". And n320 is pricey and aa#7 isn't, so there's always that need to save a buck LOL.
My fear with not ramping the barrel is that I don't want it to start having issues in the middle of a match.
So so let me ask you this, Max, if it runs flawless now, do you think I could potentially upset the balance by ramping?