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edwin garcia

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Everything posted by edwin garcia

  1. I think it's an NCStar weaver mount. I have to check when I get home.
  2. Yup. Image below when I had it as a 2ndary offset. I'm now using it exclusively as primary offset. I know. I'm weird but I'm a lefty so go figure... I think I'll play with 507c for now until something comes along.
  3. Taccom SIG MPX Recoil Cushion. Kinda short strokes the cycle giving a perceived 'quickness' to your shots. I like it and it's not expensive and easy to revert back to previous setup if you don't like it.
  4. You might still have not enough gas to cycle. TG is ok with straight barrel pistols but when you need gas, either you add more TG or find an alternative powder that can generate more gas. Last year, I chrono'ed 125.1 in a big match I shot with a 115 gr. bullet, no jams. I am using VV320 and might have move the powder measure to the low side. I stay on the 130ish PF just to be on the safe side. Hope this helps
  5. Try both, ask local shooters to try their PCCs. They both can be reliable and fun to shoot. Most of these qualities are shooter preference at the end of the day. In fairness, I've seen a fair share of AR9s that fail, too. Any platform will potentially have issue. The key is knowing what's worth changing (ammo, parts, accessories, etc.) and what not to touch. Some PCCs run out of the box, but most IPSC/USPSA shooters will tend to tweak their platform sooner than later. I started with JP (no complaints, excellent almost every aspect) and ended up with a Sig MPX G2. Several factors made me keep the Sig. I come from Open Div so I like pushing my equipment. Cleaning frequently is an ingrained routine. I like it clean. Cool factor, magazine is curved. I think mags with more than 15 round should have a curved configuration, just my opinion. Either way, get what fancy you most and make it work. Shooting season has started here in the south and it'll be over with before you know it. Cheers!
  6. MY experience is identical to yours. JP, then MPX. I tend to agree with your recommendation of going straight to MPX.
  7. 510 does weigh heavy (8.3 oz per website specs), especially if you are leaning towards lighter setup. 503 is at 4.3 oz. Some would argue weight distribution and balance is more important. Nonetheless, it's easier to tweak your setup when you have lesser weight to mess with. C-more is tried and tested, reliable and familiar. I would switch to a smaller dot (4-6 moa) if possible. One consideration is if you go to matches where you expect to shoot in a low sun angle, you are at risk of sun burst effect. Over the years, I had to deal with it with c-more (slideride, rts,rts3). I've also encountered it in 510c. The 503 doesn't seem to have this issue, probably because of the tube(?). For now 503 is the primary for me, my 510 is mounted in my backup. Just like everyone else, I will still be on the hunt for the 'optimum' optic. Hope this helps..
  8. Lefty setup on my MPX. HS 503 primary with HS - 507 offset(left). I haven't shot it yet but I like the 507 35moa circle already compared to the 65 in moa in 503. I also like the 510 but 503 seems to meet my needs. Hoping to get results from 507 in coming weeks, weather permitting... 507 503
  9. I would recommend Holosun 503C for USPSA-type use. It's a red dot in a small tube. Very light and battery lasts 30K hours and up. Affordable too. Especially useful when shooting against direct sunlight, no sun burst.
  10. I try to clean mine after each match. Old habit from open gun days. tappet and gas plug goes to ultrasonic cleaner, comes out nice and shiny. I have Gen 2, approximately 4k -5k rounds. Internals are all originals, I had 1 jam early on when i just got it, not sure what caused it. My guess was when i was tweaking my load...Never had one ever since. Like Phil said, zero holds even when you clean tappet/plug.
  11. My load is 115 FMJ Precision Delta, with 4.3 gr of VV N320. OAL is 1.13". My MPX is a gen 2, 16" carbine. I have pushed it to around 1K without cleaning the valve. I however, I cleaned and oiled the bolt midway. I currently clean the valve/tappet around 500, give or take. No issues so far. Best of luck
  12. Love the Isler HG. The diameter is perfect for my hands. The weight difference from the stock HG may not be a big difference but the overall feel and balance seem to make my gun handling in USPSA matches more manageable. YMMV. Downside is it is quite an investment. But it has the "WOW" factor. If you have the additional budget, I highly recommend it.
  13. Nice, what load are you using?
  14. I prefer closer to charging handle. I tried moving it forward but my eyes prefer the blur it sees when the optics is back. My advice is to move it around til you get the best spot.
  15. Youtube MPX Gas Valve Used this as a guide. Mine was a little tight on first disassembly. I fist disassembled and cleaned mine after approx. 300 rds and it was somewhat tight. I cleaned it again after approx. 500 rds and it was no where hard compared to initial disassembly. I'm trying to push it to a thousand round or so as one of our local shooters seem to think it can push to that schedule. Best of luck.
  16. Jp gmr-15, broke at around 2000. Stock jp competition trigger factory installed. Replaced with a new one but haven't shot it that much yet.
  17. 4.1 gr N320 for 124mgb, oal=1. 13". jp gmr-15, 14.5". Ave. PF =137.6 Checked multiple times, multiple chrono and have consistent results. I might have a bad batch/lot of N320... Best chrono your loads as I have seen similar deviations with n3n38/n105 in the past. Best of luck
  18. Looks like it's sold-out. Anyone know when it's going to be back in the inventory?
  19. VV 3N38, N105, Maybe N350? Like most said here, it's not a common bullet weight for open but I have heard/seen people use it in Open. 38 super or 9? major/minor? I would keep an eye on excessive pressure signs just to be safe. Best of luck
  20. Before I start, I advice you to see an optometrist with some experience with shooting sports. Reason being is some of the top shooters in these sports are X-eye dominant and they dominate the sport in one form or the other by adapting to their 'situation'. Anything that can be corrected vision-wise can help with your visual longevity and contribute to your performance. 1) I started irons (Limited/Standard div.) for close to 2 years before building and shooting an open gun. 2) There are benefits to irons, particularly in visual patience (sight picture) and follow through. I find it easier to align dot -> target vs. front/rear sight -> target. Of course, fundamentals of shooting like stance,grip, trigger control, etc., are as important as well and can affect visual input. 3) Mine has been frame-mounted. Most if not all open guns I've seen and used have this for reliability. Slide mounted optics take harder beating and can have issues along the way, especially with major PF. 4) Open guns are loaded with higher pressure, hence tend to be have perceived recoil than non-comped guns. For major PF, you are looking at 1300-1400ish fps. If you are using minor PF, it may not end as harsh. There are ways to mitigate perceived recoil, i.e., compensator selection, ammo selection, spring tweaks, etc. A good shooting fundamentals can also help(stance,grip,etc.). I'm small to so I have to find and tweak my grip setup. Open is fun and have shot it for most of my USPSA/IPSC experience. Don't be afraid to try as most of us here that have gone to the dark side and loved it. Best of luck!
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