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Hunting
Long Range Hunting & Shooting
7mm PRC is here. SAAMI specs out
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<blockquote data-quote="Craig Miller" data-source="post: 2561138" data-attributes="member: 107958"><p>As GoosePilot says, it's basically a near clone of the 7mm Blaser Magnum case. There are a few very, very small dimensional differences with the case. The real difference is the twist rate. Spec'ed twist rate for the 7PRC is 1:8" while the Blaser is 1:9.?". (I can't find an exact number in a language I can read.)</p><p></p><p>The Blaser was designed to replicate the 7RemMag with 156-162gr bullets in a specific Blaser rifle and magazine. Twist rate and magazine length are the limiting issues in the factory Blaser rifles and loaded ammunition.</p><p></p><p>There have been quite a few people in the US who have built the 7mm Blaser Magnum on longer actions with longer magazines and faster twist barrels to seat heavies out of the powder column to maximize performance. I almost built one and it sounds like GoosePilot did. </p><p></p><p>I think Hornady was just paying attention, spotted what they thought was a good idea, and made it their own (so to speak).</p></blockquote><p></p>
[QUOTE="Craig Miller, post: 2561138, member: 107958"] As GoosePilot says, it’s basically a near clone of the 7mm Blaser Magnum case. There are a few very, very small dimensional differences with the case. The real difference is the twist rate. Spec’ed twist rate for the 7PRC is 1:8” while the Blaser is 1:9.?”. (I can’t find an exact number in a language I can read.) The Blaser was designed to replicate the 7RemMag with 156-162gr bullets in a specific Blaser rifle and magazine. Twist rate and magazine length are the limiting issues in the factory Blaser rifles and loaded ammunition. There have been quite a few people in the US who have built the 7mm Blaser Magnum on longer actions with longer magazines and faster twist barrels to seat heavies out of the powder column to maximize performance. I almost built one and it sounds like GoosePilot did. I think Hornady was just paying attention, spotted what they thought was a good idea, and made it their own (so to speak). [/QUOTE]
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7mm PRC is here. SAAMI specs out
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