I am wondering what technique the better match shooters use to charge their Straight wall cases for the best accuracy?
The weighed charge choices:
1. drop tube only
2. drop tube and compress with comp. die.
3. pour in and then compress with comp. die....accomplishes the same as #2?
I do not have a chrono to see what the deviation is between these methods.
thanks
kw
Powder charge method
- bpcr shooter
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Re: Powder charge method
drop tube and compress. It would be in your best interest to get a chrono, but you can always let the target tell you too....
NMLRA Member
Winnequah Gun Club Member (Lodi, Wi)
WIFORCE Member
SCI Member
Winnequah Gun Club Member (Lodi, Wi)
WIFORCE Member
SCI Member
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Re: Powder charge method
Years ago, I made the experiment of vibrating the charge down, then compressing, versus just dropping the charge and compressing it. On measuring the mean point of impact, velocity, and velocity SD, I found no difference between the two in any of these quantities. This was with a 40-65, Swiss 1.5 Fg powder, 418 gr GG bullet. Since then, I have not messed with a drop tube or vibrator, just dropped the charge and compressed it.
CHRIS
RGChristensen
CHRIS
RGChristensen
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Re: Powder charge method
RGChristensen
I should of listed vibrating a charge as no.4 in past years I have known a few that use(d) the method. Depending on how it is done, it really settles the charge. Don't know if the consistency would be the same as a comp. die plunger though.
I too skip the drop tube on my non match rifle loads. If I could prove to myself the tube was not needed.......more extended range time for this rifle is needed.
thanks
kw
I should of listed vibrating a charge as no.4 in past years I have known a few that use(d) the method. Depending on how it is done, it really settles the charge. Don't know if the consistency would be the same as a comp. die plunger though.
I too skip the drop tube on my non match rifle loads. If I could prove to myself the tube was not needed.......more extended range time for this rifle is needed.
thanks
kw