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hotrodder

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Posts posted by hotrodder

  1. Could it be possible the barrel is prematurely coming out of lockup? That would allow the back of the case to be partially unsupported during the firing cycle. I am by no means an expert but, have built a few 2011s. You could perhaps try a heavier recoil spring or hammer spring to see if it made a difference.

  2. I have 2 infinity aggressive signature grips. One of them had the sharp points slightly knocked down with an emery finger nail board in only a few areas by the previous owner. It is still quite sharp but not like the original on my other pistol. If you go with the aggressive you could always tone it down a bit. I prefer the original aggressive personally. However I have had to clean blood off of it after extended draws and dry fire practice. Once you handle the samples for a while you will know what is right for you.

  3. I have KKM, Schuman, infinity, and Bar-Sto barrels in both 9 and 40. For me the Bar-Sto are less picky. When doing load development they seemed to maintain better accuracy with a wide variety of bullet weights  and powders. In the end they all make a good product that will serve you well once you find the load they like.

  4. I had the same problem. I discovered there was quite a difference in case wall thickness on the mixed brass I was using. I sorted by head stamp and verified I was not over crimping what ever brand I was using at the time and the problem went away.

  5. I recently loaded some 180 blue bullets after shooting some that a friend had loaded and given me to try. His load was very accurate in both my guns.

    My normal load is 4.5 grains of Ramshot Comp. @1.200 OAL with either an extreme 180HP or precision 185. These loads normally run 166-169 PF depending on which bullet. I typically buy what ever primers I find that are on sale to use. Here is where it gets interesting :

    180 BB @1.210 OAL- 4.5 comp = 181 PF with S&B pistol primers so I reduced the charge weight;

    180 BB @ 1.210 OAL- 4.3 comp = 175PF with S&B primers, however, the same load with wolf small rifle primers was 170 PF.

    These results were consistent in both of my guns as well as my friends two guns.

    I am going to reduce the charge weight to 4.2 grains and do back to back testing again with both primers.

    I have come to 2 conclusions- the blue bullets are much faster than others I have tried and, my assumption that rifle primers may produce higher velocities was wrong. Any feed back, comments, or experiences these bullets would be welcome.

    Thanks!

  6. Update, well I put a new infinity non AET barrel in my gun this week. Shot groups at 20 yards offhand with extreme plated 180fp,180hp,165fp,165hp,MG180hp and precision coated185. All loads were 1.195 OAL using ramshot competition at 168 pf. The precision was the best at 2.25", followed by the MG at 2.6". All the extremes were 2.75" to 3". I must confess I really liked the feel of the 165's. I am running a 12.5 variable recoil spring with one aluma buff. I am going to try some more of the 165's in the 170-172 pf range next to see if the accuracy gets a little better.

  7. If you change the main spring housing you will probably want a 17# mainspring. Also the firing pin spring is very heavy so you may need to change it to work better with the 17# spring. I started off with the Dawson magwell aluminum mainspring housing. Then added a Brazos front sight and trigger group along with a pair of VZ grips. All of this was just personal preference. Mine is 9mm also and ran great out of the box. It weighs 42.7 oz. with a Dawson mag. and is great to shoot. Hope you enjoy it as much as I do mine!

    post-38721-0-94923000-1437605582_thumb.j

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