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edwin garcia

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About edwin garcia

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    Calls Shots

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    Houston, TX
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    Edwin Garcia

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  1. edwin garcia

    Yet Another JP GMR15 or MPX thread.

    MY experience is identical to yours. JP, then MPX. I tend to agree with your recommendation of going straight to MPX.
  2. edwin garcia

    45 degree offset optic

    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..
  3. edwin garcia

    JP GMR 13 Broken firing pin

    Mine broke in less than 2K.
  4. edwin garcia

    45 degree offset optic

    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
  5. edwin garcia

    Sig MPX optic

    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.
  6. edwin garcia

    MPX Maintenance Schedule

    I'm using Lyman turbo sonic
  7. edwin garcia

    MPX Maintenance Schedule

    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.
  8. edwin garcia

    MPX Ammunition OAL Feedback

    1.13" 115 gr. Precision Delta JHP
  9. 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
  10. edwin garcia

    My MPX build.

    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.
  11. edwin garcia

    My MPX build.

    Nice, what load are you using?
  12. edwin garcia

    Best mounting position red dot

    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.
  13. edwin garcia

    Sig MPX/Hyperfire 24c issue

    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.
  14. edwin garcia

    How common are broken AR9mm firing pins

    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.
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