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Brian Enos's Forums... Maku mozo!


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About N3WWN

  • Rank
    Looks for Target
  • Birthday 09/04/1975

Profile Information

  • Gender
  • Location
    Greensburg, PA
  • Interests
    USPSA - Limited, Single Stack
    Small bore silhouette
    100 yard benchrest
  • Real Name
    Rich Alloway

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  1. I have modified the Grams followers for 9 magazines in rapid succession. The first one takes the longest to find out exactly how much material to take off, but after that, it's just doing the same thing again 8 more times. I used the corner of my bench grinding wheel to cut the small notch and an X-Acto knife to clean up the area. Probably took me about 10 minutes for the first one and about 10 more minutes to do the remaining 8. Attached is a before (front) and after (rear) image.
  2. You are allowed 170mm mags in single stack pistols in Limited and L10. Sent from my SM-G950U using Tapatalk
  3. Sample as many as you're comfortable weighing, calculate the average and the SD. You can then determine a "confident weight" with: Wc = avg - (2*SD) That will tell you the minimum weight for 99.5% of all bullets. Do the same for your chrono numbers to get confident velocity, work up your confident PF using those two values and you won't worry at chrono ever again! [emoji6] Sent from my SM-G950U using Tapatalk
  4. Looks like the transition from the feed ramp to the chamber is pretty sharp... at least from my experience with 1911s. Disclaimer: I'm not a Glock guy and don't even own one, so it may be normal for a Glock. Try loading some dummy rounds at different lengths, remove the recoil spring and see if one of them hand cycles any smoother than the rest. I do this for my 1911s if they have a feed issue like this. I'll load up dummy rounds in 0.010" increments to test. The reason I asked about the recoil spring is that open guns usually have a lower weight recoil spring than non-comp'd pistols. The factory recoil spring could be returning the slide to battery faster than the lighter recoil spring, minimizing or disguising the feed issue.
  5. Did you change recoil springs (installed a lighter one) when you added the comp? What does the brass look like from before the comp was added? Does that brass also have the partial ring that we can see in the 1st pic?
  6. Is the slide moving back far enough that it gets behind the round or is the rim of the round stuck under the breech face?
  7. I think Sig stopped production of their 40 cal 1911 MAXM recently (still making the 9 and 45), but you can still find them for about $1400, which is a little less than the $1600 you mentioned for the DW. I shot a DW in 9 once and really liked it and would have been interested if DW made one in 40 (they didn't at the time), but went full into the Sig 1911 MAXM and bought two so I have matching primary and backup competition Single Stack pistols. Just another option...
  8. N3WWN

    33 oz XDM

    I use a 16lb recoil spring and can pull the slide out of battery if I snap the gun back around a wall/barricade and drive it out hard. Not enough to induce any problems, but I don't think I'd go any lower for myself. Sent from my SM-G950U using Tapatalk
  9. If it works for you, I'll post the images here...
  10. I use the Wiley X Saber Advanced glasses with the Rx insert. I've never used them without it, but don't think I'd have them any closer to my face. If you'd like any specific measurements or photos, let me know. Oh, the insert snaps into the nose piece right up close to the lenses. Sent from my SM-G950U using Tapatalk
  11. My Sig 1911MAXM pistols both came with Wilson Combat 47-series magazines. Wilson Combat even exchanged 2 of the factory 40 S&W magazines for 10mm magazines due to feeding issues with SAAMI-length 40 S&W ammo. The WC 47BEN 0.625" basepads are what I use, but I had to shave the basepad off at an angle in order for the gun + empty magazine to fit inside the USPSA box for Single Stack. Not sure if you can tell in this picture, but the bottom of the basepad was cut off at an angle with no length removed from the rear and almost 0.25" taken off the front (almost up to the molding line). This made the bottom of the mag flush with the USPSA box when inside the gun, maintaining maximum legal length of the basepad. Here's what the 47BEN 0.625" basepads look like when new: Let me know if you want any more before/after pictures or exact measurements of the basepads - I have some new ones and can do a better comparison.
  12. Surefire Ultra ear plugs are what I use when I shoot to minimize as much external sound as possible but still hear the timer beep and range commands. Sent from my SM-G950U using Tapatalk
  13. I've never needed two hands to cock a 1911 hammer , regardless of the mainspring weight, although I did run into an issue one time where the sear spring was under weird pressure by the mainspring housing (improper assembl). This resulted in a higher trigger weight and MUCH higher force required to cock the hammer due to the binding of the sear spring and the hammer strut. Caught it during bench safety testing before firing it, and I'm glad I did! Not sure what would have happened, or what would have been damaged, had live ammo gone through it in this state. Resolved by replacing the bent sear spring and reassembling properly. Sent from my SM-G950U using Tapatalk
  14. I did some temperature variation testing of W231 with Acme 180gr FP-NLG bullets in the spring of 2017. I used Hot-Hands heat packs to raise the temp of the magazines to about 100 deg F, ice packs to drop the temp to about 30 deg F and the ambient temp was about 40 degF. Mags were loaded and placed in separate coolers (or left out for the ambient testing) about an hour or so before leaving for the range, which is about 30 minutes away. I used an IR thermometer to measure the temp of the top round of ammo in each magazine before running the ammo from that mag over the chrono. The mags were surrounded by the hot/cold packs with the top round in "free air" above the packs within the insulated containers. I saw an average of 1-2 FPS per grain of powder difference between 30 deg F and 100 deg F. With the 4.72 gr of W231 in these rounds, that resulted in velocities of 930 FPS (avg) at 30 deg F and 935 FPS (avg) at 100 deg F. This equates to about 1 PF difference. I no longer worry about temp sensitivity with W231. Blue Dot, on the other hand... which I load in my 9mm ammo and tested at the same time... is inverse temp sensitive and it will lose almost 100 FPS (13 PF) over the same range! 146 PF @ 30 deg F and 133 PF @ 100 deg F!
  15. I'm a fan of Acme Bullets ( http://www.acmebullet.com/ ). They are accurate, consistent, the cost is good and they ship super fast (usually delivered in 2 business days). For example, if I order on Wed morning, I usually have the order at my house on Friday.
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