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Rifles, Reloading, Optics, Equipment
Reloading
bushing size vs neck thickness variance
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<blockquote data-quote="7mmRHB" data-source="post: 859843" data-attributes="member: 3584"><p>Arrow, seat a bullet, preferably one that you are going to use for load dev, then measure the neck diameter with good calipers. Take the resulting number and buy bushings that are .002, .003 .004 smaller than the neck dimension and you will have the correct size covered.</p><p></p><p>The .003 and .004 are usually better for hunting rounds to be fed from the mag box ( you don't want your bullet to be able to move back into the case under recoil ) and .001 and .002 could be the best if shooting single shot or for target shooting. ---- RHB</p></blockquote><p></p>
[QUOTE="7mmRHB, post: 859843, member: 3584"] Arrow, seat a bullet, preferably one that you are going to use for load dev, then measure the neck diameter with good calipers. Take the resulting number and buy bushings that are .002, .003 .004 smaller than the neck dimension and you will have the correct size covered. The .003 and .004 are usually better for hunting rounds to be fed from the mag box ( you don't want your bullet to be able to move back into the case under recoil ) and .001 and .002 could be the best if shooting single shot or for target shooting. ---- RHB [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
bushing size vs neck thickness variance
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