Jcgatus
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Posts posted by Jcgatus
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1 hour ago, zzt said:
I wouldn't buy a skeletonized PCC again either.
They have a non skeletonized version as well.
What was your experience if you dont mind me asking?
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3 hours ago, cecil said:
I would not like to have an out of battery detonation shooting one of these ..
Interesting.
The tyr 1 model is not skeletonized if that is your concern.
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I have 2 iron city bolts. Their proprietary pvd coating makes cleaning easy. I have not lubed nor sprayed anything on the bolt since Ive bought it.... 9k rounds so far.
Their guy who does it did it for formula one race cars so it has to last and it has to run.
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It is more comparable to an mbx pro
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On 6/9/2020 at 7:04 PM, Kokeman said:
Anybody running MBX glock style steel mags in pcc? Do they run good out of the box? Are they worth the price? I'm currently running factory 31s with MBX and Goliath extension.
If you weigh the pros and cons of the mag, its up to you to decide. I have a buddy that uses them and swears by them. I asked him what makes them great? He said that they feed ammo well, and they insert easily into the magwell....
In my head, I thought to myself...oem glock mags do just that. But for a fraction of the cost. He even had a mag get untuned and had to send it back to mbx to get it retuned... Never had to do that with oem.
Also my opinion, the top shooters dont use them because the oem ones just work. If I see Josh Froelich, Max L, and Zach S start using them without any sponsorship, Im all for it. But these champs found a way to fine tune their poly mags. Not worth it...Just my 2 cents.
I think I would rather buy $200 worth of ammo or a backup bolt.
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18 hours ago, MoRivera said:
For me this is mainly with 115-gr factory stuff. I've tried some 124 and 147 that's softer, but then in comparison it feels like the bolt and buffer are kind of 'lingering' during the cycle and then the gun wants to lift more, and the overall cycle is slower. I'll take sharper and quicker over softer and slower.
That last part sounded weird.
Haha. Thats funny. Yeah, i'll take faster and accurate over soft, slow, and comfortable. Im switching to 115s. Also, i have also messed eith 135s and they do a good job without tuning and short stroking.
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On 11/27/2019 at 9:03 PM, Wvaughn7 said:
I have ran the Xtreme 100 grain bullet over about 4.0 grains of bullseye in a PCC, and other than feeding, the load shot great and was super light but still fast to cycle. Definitely nothing to lose by loading a hundred up and seeing how you like them. I’ve even went a little hotter around 4.5 with the bullseye but was up around 145pf out of a 16” barrel.
I use bullseye and I am looking into switching to lighter loads.
How is the reliability in Extreme's 100 grainer? Also, what is the recoil impulse and dot movement like?
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35 minutes ago, 3GN said:
We shoot same squad this Sunday , I can help u about carbide grip
Sent from my iPhone using Tapatalk
Hello. I did not mean to make that into a question. Thank you for the offer though. Have we shot before?
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Steel is much easier to do when prepped right?
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28 minutes ago, jrdoran said:
So is it safe to conclude that the notion of a skeletonized chassis being lighter than a standard forged AR chassis has been debunked ?
I have not been able to find any evidence that the leadstar uppers / lowers are in fact lighter.
PS, I already have a sub 5lbs PCC but was thinking of building another hence the exploration of skeletonized;
That is impressive. Skeletonized uppers will always be lighter next to a comparable upper of similar design and material. My MBX pcc was close to 6lbs (without magwell). Meanwhile, my iron city pcc was 5.5.
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On 5/31/2020 at 10:24 AM, jrdoran said:
Thinking about building an ultra lightweight 9mm PCC. ( I'm aware of the shrouded barrels, placement of weight savings) This is a steel challenge rifle.
I'm intrigued by the leadstar skeletonized uppers / lowers ( they also look super cool ). I want to convince myself to buy one.
However, I went down and weighted an upper / lower at my local gun dealer ( bare ) . I was surprised that is was only 16.1oz. ( 8.8 lower / 7.3 upper ) ( Aeroprecision ) ;
This has me wondering exactly how much lighter can one of the fully modified skeletonized chassis can be ? If the total weight of a basic receiver is only 1lb, can they save 4oz ? 8oz ?
appreciate some info here. thx
I have owned 4 pcc's so far. From the most budget, lightest Taccom build, to the most gucci pricey Limcat Tron. In between were the Iron City. and the MBX. I settled with the Berserker Lite
Here's the kicker. I got into PCC after a buddy let me shoot his MPX in a match. I got hooked. After doing some research, I decided to start off with a budget build. I then sold it and upgraded constantly.
From the 2 years of shooting pcc, here is what I learned so far, which I wish I knew before.
1. Reliability is King.
2. Functionality over looks.
3. Balance over weight.
4. Looks are bonus points. Lol
Ive witnessed common issues that most blowback pcc's get, even ones that dealt with the glock and colt mags.
There are isolated incidents that can occur with any firearm. Ive seen accidental discharges with a stock m&p that was a result of a reverse primer. Its all about qc.
A lightweight pcc may be beneficial for steel challenge but not necessarily for uspsa. Shooting with Max, he said there is more pros with having more weight in the back end. When running long distances with one hand, a balanced pcc will feel like running with an open gun as long as the front end was lighter.
Investing in the right parts will also save you a ton of money. Buying a 150 dollar comp for a 16" barrel is almost useless. Dont get a trigger just because it is dubbed a pcc trigger. Achieving .10 splits is near impossible if the reset weight is too light. There are bolts known to easily go full auto so thats an easy dq at a stage. Lastly, the buffer and buffer spring really affects dot bounce.
Dont be afraid to fail and learn.
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18 hours ago, zzt said:
One of the things you can do to reduce the recoil you feel is go to a shorter barrel. I went to a Wiland USA LLW 9mm barrel. It is a 5.5" rifled section with a light 4140 steel shroud welded on to get it to 16.1" All of the weight is in your hands, and it transitions like lightning. That is the bonus. The primary reason I bought it was it doesn't add the extra 200 fps to a 'standard' pistol load that a 16" barrel does. You don't need a comp to minimize dot bounce.
Interesting. I'll look into it. I used to own a taccom shrouded barrel and it really affected my 100 yard groupings so I steered away from uml matches. Have you had any luck with the wiland barrel with further distances?
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On 5/30/2020 at 12:48 AM, bootyjuice said:
Placed an order for a Tron this week. Hope I don't run into any issues with mine.
I remember they were going away with the colt lowers and onto glock. Did they menthion anything?
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The extra powder will also create more gas to help activate the comp
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5 hours ago, zzt said:
Then go a lot lower. I've shot 115s as low as 950 fps for steel. You can barely feel the recoil. Dot bounce is minimal. This is with a bolt/buffer/spring system that weighs 21 ounces. BTW, this load was good for ringing steel only. It will not drop a popper. For USPSA you might try 147gr bullets. I'm working down from 144 PF right now to see what happens.
So ive been using the 147s for both my pcc and carry optics in uspsa.
I used to use 115 then i preferred the soft felt recoil. However, after 6 months, I noticed my accuracy has suffered. Went back to the drawing board and realized that I was double tapping most targets I see. This was a habit I formed when I had my limcat tron with a blitzkrieg buffer. It was tuned perfectly to shoot hot 115s with minimal bounce. I sold it since then.
As i was messing with the short stroke feature, I noticed a few things. The 147s at 152pf hit harder than normal...expeccted with the short stroke. But i also recorded the movement pattern of the dot, 20 yard hardcover. My dot would stay in the a zone going 1 o'clock
When I shot the recommended load for the ideal short stroke ammo, the hot 115s made my dot hover in the a zone during double taps due to the faster cycle speed. How i was explained to was... More powder=faster cycle speed + short stroke=less movement in receiver set=minimized dot movement.
A few times I went full auto due to a combination of the triggertech and the 308 spring.
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11 hours ago, MoRivera said:
I have mine 'semi-stroked', if you will, so that I still get LRBHO, but it still quickens the cycle and although it may have a bit more jolt to the shoulder, it gets the dot back on target quicker. I had a friend fashion a spacer out of nylon after I measured how many quarters. A Blitzkrieg buffer helps cushion the ends/extremes of buffer travel a bit.
What gran bullet are you shooting?
The jolt on the shoulder is real. Im definitely going to need the chiropractor after a few thousand
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23 minutes ago, zzt said:
Short stroking increases felt recoil. IMO, you are better off with the heavier bolt and standard spring. You do not have to stay at 145 to 155 PF, in fact, that is a problem for dot bounce. Short stroking decreases splits as long as you have everything else set up correctly.
If you are shooting USPSA you want somewhere between 135 and 145 PF. 135 to 140 is better. To minimize dot bounce you have to tune your buffer and spring. The idea is to not have the bolt slam home and raise the muzzle. As an example, a 147 @ 985 load in my 5.5" PCC barrel will put shot after shot on top of each other at 50 yards. That's great for outlaw steel matches, or USPSA which I don't shoot with a PCC.
Now I'm trying to set the gun up to shoot 124s at 140 PF. That is the load I use for SCSA Open. You wouldn't think that 4-5 PF difference would make a difference, but it does.
As far as accuracy goes, my PCC shoots Berry's plated and some JHPs very accurately. It shoots Lawman factory ammo with acceptable accuracy, and Summers Industries poly coated bullets with the same accuracy. It absolutely does not like J-Ames bullets. Group size at 25 yards is larger than a dinner plate, and they smoke horribly.
I actually got the recipe from Max. At the time, I was using my carry optics load to try out the short stroke feature. But the explanation of using lighter bullets means more propellant to help utilize the comp better. Which proved the concept when I used my light 115 gr loads. It was 132 pf. Dot rise was still significant.
Also measured my splits before and after the short stroke was put in, .02 was the difference. I expected this because my current trigger doesnt have enough reset pressure like a hiperfire does. Leads me to slapping the trigger...which is inneficient.
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Less than $3.00 to improve accuracy
Thought I'd share this. Tuning up my Berserker for level 2's. Wanted to experiment on Short Stroking the bolt.
20 yards, hard cover.
Here are my findings. Current load is 147grain, 3.2 grains of Bullseye. 152pf. Before the short stroke feature, felt recoil was mild. My point of aim was at the lower left corner of the alpha zone. Double tap Recoil impulse brought the red dot 1 o'clock, almost pass the right shoulder.
After adding 11 quarters, in the back of my taccom buffer, it cycles enough to where it resets the trigger and catches a new round reliably.
Grouping got a lot tighter. Felt recoil increased but the red dot hovered around the low left corner. Will be lessening the weight on the bolt and increasing the spring weight.
Short stroking alone does not increase splits. The trigger does this. You also need to stay around 145 to 155 pf to really benefit from this. I shot a short stroke grouping with 115s at 132pf and dot rise was still significant
Overall, this cut time for me as I would always bring the dot back to zero at further targets. Now I can just send it.
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On 5/26/2020 at 6:55 AM, MPrimo said:
I have been running one of their bolts in my PCC for the past year plus and it has been flawless! Love ICRW.
Doesnt it make cleaning easy too?
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I did a quick overview on youtube. I have a spare for sale if anyone wants one.
Too buy or not to buy??? MBX? JP? I’m PCC curious 😂
in Pistol Caliber Carbine
Posted
My first pcc was an mbx. It was amazing out the box. But boy was I mad when I found out that they sourced their receiver sets from another well known, budget company. In total, I couldve built the same exact setup with a better buffer and barrel/comp for 400 less!