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Long Range Hunting & Shooting
280 AI FT +P vs 7mm PRC
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<blockquote data-quote="Paladin300" data-source="post: 2789855" data-attributes="member: 115299"><p>You do realize that the 280 AI as with the 7mm SAUM nearly mimics the 7RM and that the only difference ballistically between the 7 PRC and the 7 RM is the factory barrel twist rate. When you add .25 free bore to the 280 AI you extend the case capacity to around 68.0. You realize that allows you to nearly duplicate 7 PRC ballistics right. There is literally 4.0 difference in case capacity and both are very efficient at what they do. We are running a 27" barrel and at least one other person on here running the same set up is get 2950 with 175s out of it with no pressure signs running if I remember correctly 59 gr of R26 which is interesting because that is what Hornady recommends for the PRC at the same velocity if memory serves me correct. Interesting?</p><p></p><p>The 7PRC offers a little over the other 7s but not much. It is a great cartridge but offers little for those of us who tinker with stuff!<img class="smilie smilie--emoji" loading="lazy" alt="😁" title="Beaming face with smiling eyes :grin:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f601.png" data-shortname=":grin:" /> Having played with the Creedmoor and 300 PRC it is hard to get them to do more than the factory ammo, not so with the old 06 case the 280 AI is based off of and brass choices abound. If you don't hand load or tinker get a PRC. If you just want to be different want more choices in ammo and brass rebarrel your 7RM or give your 280 AI a little room to breath.<img class="smilie smilie--emoji" loading="lazy" alt="🙂" title="Slightly smiling face :slight_smile:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" data-shortname=":slight_smile:" /> Modern rifles can handle it.</p><p></p><p>The rifle mine is being built off of is a switch barrel gun. The 280 AI allows me to use the same bolt. It is just something different to play with. Will primarily be used for load development and 1000 yard comps with the occasional deer or elk. I don't hunt as much as I use to, still love it, just don't have the time right now to do it as often as I would like. When we start new load development we will post pics of the brass, groups and data from the rifle. It will be a few months but I will post the results. May buy a PRC or order a bolt and barrel just to compare apples to apples, same bullets, powders and primers. I think the results would be interesting and enlightening to some of us. Have a blessed day friend!</p></blockquote><p></p>
[QUOTE="Paladin300, post: 2789855, member: 115299"] You do realize that the 280 AI as with the 7mm SAUM nearly mimics the 7RM and that the only difference ballistically between the 7 PRC and the 7 RM is the factory barrel twist rate. When you add .25 free bore to the 280 AI you extend the case capacity to around 68.0. You realize that allows you to nearly duplicate 7 PRC ballistics right. There is literally 4.0 difference in case capacity and both are very efficient at what they do. We are running a 27” barrel and at least one other person on here running the same set up is get 2950 with 175s out of it with no pressure signs running if I remember correctly 59 gr of R26 which is interesting because that is what Hornady recommends for the PRC at the same velocity if memory serves me correct. Interesting? The 7PRC offers a little over the other 7s but not much. It is a great cartridge but offers little for those of us who tinker with stuff!😁 Having played with the Creedmoor and 300 PRC it is hard to get them to do more than the factory ammo, not so with the old 06 case the 280 AI is based off of and brass choices abound. If you don’t hand load or tinker get a PRC. If you just want to be different want more choices in ammo and brass rebarrel your 7RM or give your 280 AI a little room to breath.🙂 Modern rifles can handle it. The rifle mine is being built off of is a switch barrel gun. The 280 AI allows me to use the same bolt. It is just something different to play with. Will primarily be used for load development and 1000 yard comps with the occasional deer or elk. I don’t hunt as much as I use to, still love it, just don’t have the time right now to do it as often as I would like. When we start new load development we will post pics of the brass, groups and data from the rifle. It will be a few months but I will post the results. May buy a PRC or order a bolt and barrel just to compare apples to apples, same bullets, powders and primers. I think the results would be interesting and enlightening to some of us. Have a blessed day friend! [/QUOTE]
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280 AI FT +P vs 7mm PRC
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