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How do u test for an accurate load?

 
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  #1  
Old 03-15-2010, 07:10 PM
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How do u test for an accurate load?

How do u test ur rifle/load for acuracy? Do u clean barrel between shooting groups? If so do you fire a first shot to dirty the barrel? Do u wait set time between each shot?
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Old 03-15-2010, 07:27 PM
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Re: How do u test for an accurate load?

Have you ever heard of a ladder test? What caliber are you testing?

First sight your rifle in which will give you some fouling shots before the test.

If you are reloading a medium to large capacity case like a .308 or .300 mag make your powder charge start at minimum and add .2 tenths up to maximum load. Either shoot at 100 yards or 200 yards. Remember to always aim at the EXACT place for all of the shots. Somewhere between the minimum and maximum you will have 3 or 4 shots be very close to each other. This should give you a close optimum powder charge for accuracy.

joseph
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Old 03-15-2010, 07:34 PM
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Re: How do u test for an accurate load?

Yes I know what a ladder test is. I am just curious on some others views on cleaning between groups as u build up a load
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Old 03-15-2010, 07:40 PM
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Re: How do u test for an accurate load?

After ladder test I load up 4 rounds in incrimenting weights. I shoot 1 fouler at a different target and then 3 shot group....clean, let barrel cool, and repeat....right or wrong that's how I did it....thenagain I just started reloading last year lol
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Old 03-15-2010, 07:50 PM
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Re: How do u test for an accurate load?

I dont do a load work up until I brake in my barrel. Then depending on the bullet im going to shoot and what I want to do with the load I work from there.

I do a ladder most of the time I dont clean between shots beacuse im just looking at the group's. I do the ladder in whole grain increments 34 35 36 etc until i get to the books max load.

I take the best group and do tenth grain groups + or -

Then I do seating depth if im still not happy.

Unless its BERGERS then I start a few grain's below max work up to max if there are no pressure signs i go right into a 24 round seating depth test. The Berger is so easy to tune every time I am having issues with the AMAX lol
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Old 03-16-2010, 01:02 AM
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Re: How do u test for an accurate load?

I do not clean between groups because there should be no need to. It usually takes at least one fowler after cleaning to settle down a bullet and sometimes more. In my factory barrels it usually takes abot 3-4 fouler to settle down a barrela nd then they are good for 50- 70 rounds before they need another cleaning.

-Mark

Last edited by MontanaRifleman; 03-17-2010 at 06:55 PM.
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Old 03-16-2010, 08:59 AM
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Re: How do u test for an accurate load?

I use to follow the theory that a clean bore is an accurate bore. Lately every thing I put together produces good results. I will clean my rifle before I go to the range and just starting shooting groups. Fouler shots aren't necessary in my opinion after experiencing same accuracy with or without a fouler. Each barrel is different, but consistency in regiment helps to produce consistent results. The bigger factor is allowing your barrel to stay at a consistent as close to a consistent temperature from shot to shot.

Tank
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