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Rifles, Reloading, Optics, Equipment
Gunsmithing
Headspace Explained
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<blockquote data-quote="J E Custom" data-source="post: 1836163" data-attributes="member: 2736"><p>Yes. Each gunsmith has his or her own head space recommendation/belief based on the use and need of the firearm. Head space ranges from .0000 to ,0015 for the accuracy minded and .002 to .004 for function priority. .006 or .007 normally become the rejection head space that may become dangerous.</p><p></p><p>In many cases while fire forming, -.004 to -.006 crush (Less than .0000 head space) is advantageous to hold the case firmly in position while it is formed.</p><p></p><p>These dimensions have nothing to do with sizing the cases more or less than the chamber size, because this is regulated by the Re-loader. and is at his control and preference.</p><p></p><p>Fire arms are not head spaced to automatically add shoulder bump or any other dimensional need or belief, it is set at a standard best suited for the service and maintained by the re loader.</p><p></p><p>My beliefs on how much head space is best for the use is based on my experiences and may be different than some others based on there experiences. But ether way, head space is fixed once the chamber is cut and head spaced is set. The correct head space definitely has a bearing on the total performance of a firearm.</p><p></p><p>After the head space is set, the re loader has total control of how much clearance or head space he will have dimensionaly from the set head space and chamber dimensions. This is also the owners time to alter the locked in head space if it is not what he wanted or not ideal for his use.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1836163, member: 2736"] Yes. Each gunsmith has his or her own head space recommendation/belief based on the use and need of the firearm. Head space ranges from .0000 to ,0015 for the accuracy minded and .002 to .004 for function priority. .006 or .007 normally become the rejection head space that may become dangerous. In many cases while fire forming, -.004 to -.006 crush (Less than .0000 head space) is advantageous to hold the case firmly in position while it is formed. These dimensions have nothing to do with sizing the cases more or less than the chamber size, because this is regulated by the Re-loader. and is at his control and preference. Fire arms are not head spaced to automatically add shoulder bump or any other dimensional need or belief, it is set at a standard best suited for the service and maintained by the re loader. My beliefs on how much head space is best for the use is based on my experiences and may be different than some others based on there experiences. But ether way, head space is fixed once the chamber is cut and head spaced is set. The correct head space definitely has a bearing on the total performance of a firearm. After the head space is set, the re loader has total control of how much clearance or head space he will have dimensionaly from the set head space and chamber dimensions. This is also the owners time to alter the locked in head space if it is not what he wanted or not ideal for his use. J E CUSTOM [/QUOTE]
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Headspace Explained
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