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Rifles, Reloading, Optics, Equipment
Reloading
Primers for 7mm STW
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<blockquote data-quote="7stw" data-source="post: 608202" data-attributes="member: 22854"><p>Primer choice is really dependent on what the GUN chooses, and not so much you. It is mostly dependent on the powder choices as well. Some powders are difficult to lite, and require a hot primer, ie, 215, WLRM, or RWS, etc. Typically the STW is burning a slower powder, and requires a primer in the higher heat range, however every gun is it's on exception. I have a 7 mag that when using a full load of H1000, it prefers a standard WLR, and shoot .255 groups at 200 to prove it. So it is really trial and error, and in the end, you are providing the options, and the gun makes the choice. In general, the CCI 250 is a player in this field, however much of the time,the 215 and wlrm MAYbe better choices. Match primers are not hotter, they are just more consistent. So bottom line, just because my gun likes 215's, it dosen't mean yours will. You probably need to sample most of the options, and let the gun decide. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />gun). 7 STW.</p></blockquote><p></p>
[QUOTE="7stw, post: 608202, member: 22854"] Primer choice is really dependent on what the GUN chooses, and not so much you. It is mostly dependent on the powder choices as well. Some powders are difficult to lite, and require a hot primer, ie, 215, WLRM, or RWS, etc. Typically the STW is burning a slower powder, and requires a primer in the higher heat range, however every gun is it's on exception. I have a 7 mag that when using a full load of H1000, it prefers a standard WLR, and shoot .255 groups at 200 to prove it. So it is really trial and error, and in the end, you are providing the options, and the gun makes the choice. In general, the CCI 250 is a player in this field, however much of the time,the 215 and wlrm MAYbe better choices. Match primers are not hotter, they are just more consistent. So bottom line, just because my gun likes 215's, it dosen't mean yours will. You probably need to sample most of the options, and let the gun decide. :)gun). 7 STW. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Primers for 7mm STW
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