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Rifles, Reloading, Optics, Equipment
Gunsmithing
How to accurately measure (not validate) headspace?
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<blockquote data-quote="Edd" data-source="post: 1852741" data-attributes="member: 30592"><p>The SAAMI Headspace tolerance is 10 thousandths not 100 thousandths. Knowing what the number is will do you no good because your measurement will not match that number. For reloading, you create your own number and size your cases to your number. The advantage of using a headspace gauge to determine your number is because it is rigid enough to not change its dimension. You need to determine what your chamber length is compared to a go gauge then compare the length of your sized brass to that length.</p></blockquote><p></p>
[QUOTE="Edd, post: 1852741, member: 30592"] The SAAMI Headspace tolerance is 10 thousandths not 100 thousandths. Knowing what the number is will do you no good because your measurement will not match that number. For reloading, you create your own number and size your cases to your number. The advantage of using a headspace gauge to determine your number is because it is rigid enough to not change its dimension. You need to determine what your chamber length is compared to a go gauge then compare the length of your sized brass to that length. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
How to accurately measure (not validate) headspace?
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