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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
+P Throating
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<blockquote data-quote="parshal" data-source="post: 2579481" data-attributes="member: 605"><p>I believe +P is some sort of bore rider throat where the throat diameter steps down by about .005" as it progresses. It's, basically, longer freebore but of two different diameters.</p><p></p><p>I had a bore rider throater made for 6.5. I ran it in a 6.5SS barrel I was getting ready to replace just to see what would happen. I lost about 70 fps, if I remember correctly, using ammo that was already loaded. I never did add powder to get it back up to speed and see how much further I could push it. But, it did as advertised which is reduce pressure.</p></blockquote><p></p>
[QUOTE="parshal, post: 2579481, member: 605"] I believe +P is some sort of bore rider throat where the throat diameter steps down by about .005" as it progresses. It's, basically, longer freebore but of two different diameters. I had a bore rider throater made for 6.5. I ran it in a 6.5SS barrel I was getting ready to replace just to see what would happen. I lost about 70 fps, if I remember correctly, using ammo that was already loaded. I never did add powder to get it back up to speed and see how much further I could push it. But, it did as advertised which is reduce pressure. [/QUOTE]
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+P Throating
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