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About GregJ

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    Warrenton, Va
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    Greg Jones

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  1. Just put a Hiperfire PDI Black in my MPX PCC. Stock Timney was 5.5#, PDI about 2.5#. Sweet trigger. Also have an early Competition (formerly 24C) in a GenII. Great triggers.
  2. This came up on a search, so I thought I would close it up. I sent my barrel off to ILWT and Rob opened the port to .060. This, in conjunction with running the PCC/Gen III BCG from Rob in my Gen II, and working up a better load with plated or full jacket bullets, and my Gen II has been running like a swiss watch!! My load now is plated RN bullets @ 1.100 with 4.4gr of Shooters World Ultimate Pistol. No more coated bullets in my MPX, they just gum up the plug rings too bad. I did a lot of testing between my usual pistol powders, prior to sending the barrel off, and found that
  3. Sorry, just saw this. My CED Millinium 2 unit would not give me consistent readings, constant errors, etc, so I really was not interested in comparing the velocities, I just wanted something that would work and be reliable. I will say the velocities from the G2 has been consistent with those from the few majors I've gone to since using it.
  4. Anyone use SW Ultimate Pistol powder in their MPX? I just had the port on my Gen II opened to .060 so need a little more gas than Clean Shot that I had been using. I understand it is slower than CS and faster than Major Pistol, and on par with Autocomp and CFE-Pistol. So far 4.5gr of UP with 124/125 gr is about 130-135 PF, and I get consistent last round bolt hold open. Seems like the MPX will run well with it.
  5. Check out https://mojoprecision.net/ He just had a 55 gal of 40 on his FB page.
  6. Looks like a new powder. https://shootersworldpowder.com/d036-07/
  7. Anyone using SW Ultimate Pistol? Looking to try it specifically for my MPX as it needs a little more gas than Clean Shot. Supposed to be comparable to CFE Pistol.
  8. From my research here, a LOT of guys are running coated bullets in their MPX. Maybe they have just been lucky. Anyway, I will have some plated bullets and new powder to test. The new powder is not an open powder, just a little slower, comparable to N340. I can easily load some plated with my current load and see how/if it functions better.
  9. My pistol handloads have a PF of 143-145 in the MPX, yet they cases dropped 6-8 ft away at approx 2 o'clock. I am very anal about cleaning my guns. I really think the Clean Shot is not producing enough gas, but will test more soon and see. LOL, that was the bullet catcher, it's like a belt that takes all the projectiles away to a collection point. Gets a little noisy at times.
  10. @2011BLDR I think I have verified what is going on, the Clean Shot just does not generate enough gas, even though PF is about 143-145, which unto itself is very interesting. I tried the single round in mag test to see if it would lock the bolt open. My 3.7gr and 4.0gr of CS did not lock the mag back using a good 30 rnd mag. I then did the same with PMC, Winchester, and WWB, and all 3 locked the bolt back. I then ran about 40 rounds of PMC and Winchester with no issues. I ran about 15 rounds of my 4.0 CS thru, and it jammed on the 12th round, with the empty case stickin
  11. I hear ya, and I hope its as simple as this.
  12. I agree. However I just came back from the range, rounds with 3.7 gr Clean Shot with 125gr Blue, it was a single shot for the first 4-5 rounds, had to rack bolt to chamber next round. 4.0 gr CS same bullet had usual FTExtract jams. The piston exp chamber is absolutely clean. Now it seems like maybe the gas port is partially clogged?!?!? I have some factory ammo I plan to see how it runs with (Winchester, WWB, and PMC) that I've had stashed away. If it runs ok with these, then it's time to work up a new load. Maybe CS is just too fast a powder? The last hand loads I recall tha
  13. Pic of the crap scraped out.
  14. Yes. I soak the plug and tappet in kerosene for several days, then run them in an u/s cleaner for an hour or two. After taking out of the u/s I make sure rings turn freely, and the chamber in the plug is clear. EDIT: @2011BLDR I think you are probably spot on. I thought I had been cleaning the expansion chamber out enough, but apparently I have not been paying close enough attention to it. Below are a couple of pics of cleaning a plug out, that I believe had been giving me the most issues. When I started, the pick went halfway down the chamber. Adding gas (higher powder charg
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