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Rifles, Reloading, Optics, Equipment
Reloading
Neck Tension
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<blockquote data-quote="Jud96" data-source="post: 1723228" data-attributes="member: 69478"><p>Typically neck tension runs between 0.001-0.003. Most guys stay around 0.002-0.003 for best results with hunting and field rifles. You check it by sizing a piece of brass, measure the outside diameter of the neck after sized. Then seat a bullet in that sized case and measure the outside diameter of your case. If your sized case was 0.310 for example and it's 0.312 after seating a bullet, then you have 0.002 of neck tension. All of the standard dies I use size the brass to have 0.0015-0.002 neck tension. The only way to adjust neck tension is to buy bushing sizing dies. With those, seat a bullet, measure the neck O.D., subtract how much neck tension you want and order that bushing. So again, 0.312 loaded neck diameter and you want 0.003 of neck tension, then order a 0.309 bushing.</p></blockquote><p></p>
[QUOTE="Jud96, post: 1723228, member: 69478"] Typically neck tension runs between 0.001-0.003. Most guys stay around 0.002-0.003 for best results with hunting and field rifles. You check it by sizing a piece of brass, measure the outside diameter of the neck after sized. Then seat a bullet in that sized case and measure the outside diameter of your case. If your sized case was 0.310 for example and it’s 0.312 after seating a bullet, then you have 0.002 of neck tension. All of the standard dies I use size the brass to have 0.0015-0.002 neck tension. The only way to adjust neck tension is to buy bushing sizing dies. With those, seat a bullet, measure the neck O.D., subtract how much neck tension you want and order that bushing. So again, 0.312 loaded neck diameter and you want 0.003 of neck tension, then order a 0.309 bushing. [/QUOTE]
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Neck Tension
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