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Rifles, Reloading, Optics, Equipment
Reloading
Neck sizing for ARs.
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<blockquote data-quote="J E Custom" data-source="post: 568706" data-attributes="member: 2736"><p>Most people that neck size do so for better brass life and accuracy.</p><p></p><p>For simi autos I recomend full length or minimum sizing so they will function. but if you</p><p>only want to single load then it's fine as long as the chamber is perfectly concentric (Most</p><p>are not)</p><p></p><p>Most factory chambers are on the loose side in order to handle a wide variety of ammo</p><p>and with the ammo sized small chambers do not have to be perfict.</p><p></p><p>If you want to neck size only, first size one piece of brass and insert it with the head stamp</p><p>up and close the bolt slowly to see how it fits. then eject it slowly and rotate it 90o and </p><p>close the bolt slowly to see if there is any difference in the way it chambers.</p><p></p><p>If there is a difference in the way/ease it chambers the chamber is not perfict and body sizing </p><p>will be required.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 568706, member: 2736"] Most people that neck size do so for better brass life and accuracy. For simi autos I recomend full length or minimum sizing so they will function. but if you only want to single load then it's fine as long as the chamber is perfectly concentric (Most are not) Most factory chambers are on the loose side in order to handle a wide variety of ammo and with the ammo sized small chambers do not have to be perfict. If you want to neck size only, first size one piece of brass and insert it with the head stamp up and close the bolt slowly to see how it fits. then eject it slowly and rotate it 90o and close the bolt slowly to see if there is any difference in the way it chambers. If there is a difference in the way/ease it chambers the chamber is not perfict and body sizing will be required. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Neck sizing for ARs.
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