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Darthrader18

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    Accurate #7 9 Major Recipe

    in Open Pistols

    Posted

    6 hours ago, thompsoncustom said:

    Yup its my favorite major powder so far.

     

    115gr

    Oal 1.140

    9.7gr aa7

    Winchester brass and fmj bullet.

     

    Also seems to work fine with coated bullets my oal is about .050 shorter tho and the charge is just reduced a tad.

    How is smoking with the coated bullets? 

    Suggestions for improving on transitions?

    in Tips for Improvement

    Posted

    On 10/16/2017 at 6:58 PM, itlogo said:

    See the pinned topic in this forum: 

    Another drill I've seen is the "bowtie" exercise.  It's useful to have someone run the buzzer for you:

    Place two metric targets about 3 yards apart and 7-10 yards away. 

    • Start by aiming at the upper A on the left target.
    • On the beep, fire one shot and immediately move to the center A on the target on the right.
    • On the beep, fire one shot and immediately move up to the upper A on the target on the right.
    • On the beep, fire one shot and immediately move to the center A on the target on the left.
    • On the beep, fire one shot and immediately move to the upper A on the target on the left.

    Rinse, repeat as necessary.

    I love this I will be giving this a try on my next range outing. 

    Slower or faster powder

    in 9mm/38 Caliber

    Posted

    2 hours ago, tomjerry1 said:

    I'm using 10.2 gr AA#7 in a 5" 38SC gun w/125 gr HAP, shoots pretty flat. 1" low at 10y to 1" high at 35y. I have a 10# spring right now, next time out will try an 11# if I can find one, and a 12# spring, when I double tap, the second shot is 1.5 to 2 inches higher. I haven't tried the gas test yet, maybe next time if I remember white cardboard. I would like to try some VV3N37 or 38, but hard to find here in Montana. Oh, 10.2 gr AA@7 out of my KKM barrel get me @1400fps.

    I'm not even getting 1250 with 10.2 of aa7 

    Slower or faster powder

    in 9mm/38 Caliber

    Posted

    2 hours ago, zzt said:

    D, there is a simple test to see how your load is performing in your gun.   Point the gun at a white cardboard a foot away and fire.  If the cardboard shows only a slight splatter of debris, you load is good, or at worst sub-optimal.  If there is a lot of splatter, you have too much gas.

     

    I think you'll find the latter, since you complain about the recoil.  Any gas jetting out the front of the comp will generate recoil you feel in the hand.

     

    You have a 3-chamber comp. That means only three baffles.  In my experience, it will be very difficult to get the gun to shoot flat without adding poppel holes in the comp or barrel.  I tried to do that, but failed.  With enough powder and gas to get the gun to shoot flat, it was a handful (and insane).  Your only recourse for 172PF loads is to add more baffles, or add poppels.

     

    BTW, I love Silhouette, but it is only a little slower than WAC.  HS-6 would be the next logical step for you, assuming you are not already jetting gases out the front of the comp.

    Barrel has 3 popple holes. Already. So I'll give the paper test a try and see what happens. 

    Slower or faster powder

    in 9mm/38 Caliber

    Posted

    Trying to finalize a load for my 38sc. 5in hybrid 3 port scheumann barrel. 125 coated bullets. I'm getting a lot of smoke and fire out of the comp (3 top ports 2 ports on both sides) with a decent amount of recoil as well not shooting as flat as I'd like it to. So far I've used auto comp. 7.4 grains to 8.0 grains. And aa7. 10.4 grains to 10.8 in increments of .2 those are the loads that will meet a 165-180 pf.  Do I need a faster or slower burning powder to get less fire and flatter shooting? 3n38 is not available local. 

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