Jump to content
Brian Enos's Forums... Maku mozo!

Chapo

Classifieds
 View Profile  See their activity

  • Posts

    437

  • Joined

  • Last visited

 Content Type 

Posts posted by Chapo

    Chronos, load development and Recoil Springs

    in Open Pistols

    Posted

    Thanks for posting the chart really breaks it down. Next round of testing….  
     

    Have isolated the 115g bullet as the best for my taste/hand. Also decided that AA7 is the best powder. Now with the new Chrony and same brass headstamps I will perform a righteous real test of Speed. Will be testing loads from 9.7 to 10.4grs AA7. 10 rd strings to determine the correct PF. In prior tests, I was using mixed brass and was giving me incorrect data and pressures. Also in prior tests I liked how some loads felt but I suspect they were in the 166 PF level and it’s too close for confort. After this (nth) test I will chose the best load and pressure and select one and then tune the recoil springs. 

    Chronos, load development and Recoil Springs

    in Open Pistols

    Posted

    Ok, so today I went back to the range for another round of tests.  Seems like I'm spending so many bullets and powder just in testing!!  It's crazy.  Ok, to the point, I used my Czechmate with AA7 in all loads and loaded up to 1.165".  Mixed brass.

     

    124gr CMJ: I tested 9-13lb springs on loads of 9.7gr, 9.9, 10, 10.2.

    115gr CMJ: Tested same springs with charges of 9.8 &10g.

     

    Attached a video I made of the results even with slo mo.  I will chrono the best combinations of powder and recoil spring at a later date.

     

    Please please provide me feedback as to what you think the best combination is, based on the video.  I am too close to it and have begun to think they are all the same!! lol

     

     

    Chronos, load development and Recoil Springs

    in Open Pistols

    Posted · Edited by Chapo

    So I went to the range today and shot 9.4-9.8gr of AA7 through my Czechmate.  Loaded to 1.165" with 124gr Everglades CMJ.  Used a 9lb Spring.  But I am confused by the results... What are your thoughts..

     

    9.4: PF 191, SD 19. 

    9.6: PF 178, SD 12

    9.7: PF 177, SD 6

    9.8: PF 175, SD 15

     

    It seemed to me that the higher the powder charge, the softest it got in my hand, but the splatter increased with more powder.  Should I lower the powder and start maybe at 9.1gr AA7 to see how the gas look like? Thinking this might be harder on the hand?

     

    Attached the splatter test

     

     

     

    IMG_2607.jpeg

    Chronos, load development and Recoil Springs

    in Open Pistols

    Posted

    Loaded some 115s with 8.6-8.9 of HS6 with 7lbs recoil spring at 1.165" OAL with reamed barrel.  Based on the powder splatter of the no-shoot white target, seems like all my loads were dirty which means I am over working the compensator.  This might lead me to believe that I need to lower the powder charge below 8.6gr (lowest I shot). But, the string of 8.6grs yielded 166PF.  So I can't go any lower or I'll loose the Major. 8.8grs seemed the best on recoil and my wrist (175 PF).

     

    So if I understand correctly, I would have to increase my load from 9grs to maybe 9.5grs to probably shoot the flattest, but I would venture to say this would almost take me to like 180-185PF and lots more of gasses and splatter coming out of comp.  Attached video of my testing.  Please share thoughts..... Also ordered AA7 to give it a try and compared results to HS6

     

     

    So I Did My First USPSA Match....

    in Match Screw-ups

    Posted

    So I went to the Florida open….. Don’t get me started. Fee was $220. A bit steep im told, but Ok. It was my first match outside of my club but it was still a Level 1.  The match description on their website said lunch would be provided and that it would be a 2-day match. So, wanting to get more info such as how many rounds to take and general questions I had, contacted the match director and that’s when I find out it was only one day. Ok no biggie bc I was local. But what about those who traveled by air expecting 2 days…. But I digress. Then come to find out, lunch was only for match staff… I guess my general feel for “shooting” part of the the experience was great. But the admin and info dissemination was horrible. Their website still has old information. Oh, and Ask me if I’ve been able to purchase the match jersey supposedly available on Techwear?? Yup, you guessed it. Another mess. 

×
×
  • Create New...