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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Short barreled 7mm ??? Help me pick - people with experience please
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<blockquote data-quote="Chase723" data-source="post: 2342404" data-attributes="member: 21524"><p>I had a 22" 7mm Rem Mag. 69.5gr Retumbo behind a 168gr Berger was 3014fps suppressed. It was a great rifle. Probably shouldn't have sold it. I cut it down from 27" changed to Retumbo from H1000 and actually gained 20fps… That said, if you're going to make it 18-20" I probably wouldn't use something like the 7RM or 28 Nosler. </p><p></p><p>I haven't read through all 8 pages of this thread but when you get that short, especially towards the 18" side of things, the amount of concussion, muzzle blast, and flash isn't pleasant and performance drops off significantly after 21-22". With a muzzle brake it's be absurd. 20" seems to be the point at which you really start getting incomplete combustion of powder. The Army tested this a lot before settling on 22" for the 300 win Mag.</p><p></p><p>[URL unfurl="true"]https://rifleshooter.com/2015/04/7mm-remington-magnum-7-rem-mag-barrel-length-versus-velocity/[/URL]</p><p></p><p>Since you have a long action to use I'd stick with something like the 7 SAUM, 7SS, 7 Max or 284 Winchester as far as cartridge capacity. Performance will be nearly identical (yes slightly less…like maybe 50fps) but the shooting experience will be markedly better. Since you're using BDL bottom metal the 7 SAUM and 284 win will likely feed better.</p></blockquote><p></p>
[QUOTE="Chase723, post: 2342404, member: 21524"] I had a 22” 7mm Rem Mag. 69.5gr Retumbo behind a 168gr Berger was 3014fps suppressed. It was a great rifle. Probably shouldn’t have sold it. I cut it down from 27” changed to Retumbo from H1000 and actually gained 20fps… That said, if you’re going to make it 18-20” I probably wouldn’t use something like the 7RM or 28 Nosler. I haven’t read through all 8 pages of this thread but when you get that short, especially towards the 18” side of things, the amount of concussion, muzzle blast, and flash isn’t pleasant and performance drops off significantly after 21-22”. With a muzzle brake it’s be absurd. 20” seems to be the point at which you really start getting incomplete combustion of powder. The Army tested this a lot before settling on 22” for the 300 win Mag. [URL unfurl="true"]https://rifleshooter.com/2015/04/7mm-remington-magnum-7-rem-mag-barrel-length-versus-velocity/[/URL] Since you have a long action to use I’d stick with something like the 7 SAUM, 7SS, 7 Max or 284 Winchester as far as cartridge capacity. Performance will be nearly identical (yes slightly less…like maybe 50fps) but the shooting experience will be markedly better. Since you’re using BDL bottom metal the 7 SAUM and 284 win will likely feed better. [/QUOTE]
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Short barreled 7mm ??? Help me pick - people with experience please
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