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Rifles, Reloading, Optics, Equipment
Reloading
How would you read these OCW groups?
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<blockquote data-quote="MagnumManiac" data-source="post: 2140496" data-attributes="member: 10755"><p>To get your seating depth sweet spot, you use a mid range powder charge of a mid range powder and shoot in .010" increments away from touching first before you do anything else. You can use 3 shots for initial testing, then when you find the sweet spot, fine tune by going .005" above and below with 2 shots, when the 2 shots are indistinguishable on paper you know you have the sweet spot.</p><p>This will stay the same throughout all other load development for that bullet.</p><p>Powder charge AND different primers need exploring too, then the final step is neck tension. Once all other variables are known, you then start with light tension and work into heavier tension, .005" is as far as I have gone, only one of my barrels likes .004" tension, the others all prefer .0015"-.002".</p><p>If this rifle is a factory barrel, you may just have a 1 MoA rifle and that's the best it will ever be. Sorry, but it happens all too often.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2140496, member: 10755"] To get your seating depth sweet spot, you use a mid range powder charge of a mid range powder and shoot in .010” increments away from touching first before you do anything else. You can use 3 shots for initial testing, then when you find the sweet spot, fine tune by going .005” above and below with 2 shots, when the 2 shots are indistinguishable on paper you know you have the sweet spot. This will stay the same throughout all other load development for that bullet. Powder charge AND different primers need exploring too, then the final step is neck tension. Once all other variables are known, you then start with light tension and work into heavier tension, .005” is as far as I have gone, only one of my barrels likes .004” tension, the others all prefer .0015”-.002”. If this rifle is a factory barrel, you may just have a 1 MoA rifle and that’s the best it will ever be. Sorry, but it happens all too often. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How would you read these OCW groups?
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