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Has any of this data been pressure tested?
“Perfection is achieved not when there is nothing more to add, but when there is nothing left to take away”. Antoine de Saint-Exupery. Posted by Brad.
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Campfire Tracker
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Mine runs 2875fps with 150gr LR Accubonds and Reloader 17....Max load but safe in my gun..
X-VERMINATOR
Sooner or later our heritage of hunting is going to be a rich mans sport and the words "Outfitter" and "Hunt Industry" will be synonymous with cancer and A.I.D.S. among blue collar hunters like me and my family! (A.L. Williams - 2010)
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Campfire Kahuna Emeritus & Campfire Outfitter
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Campfire Kahuna Emeritus & Campfire Outfitter
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Varget is about as good as it gets in my 7SGLC.
Sure kills the snot out of big bull elk.
God Bless,
Steve
"God Loves Each Of Us As If There Were Only One Of Us" Saint Augustine of Hippo - AD 397
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Campfire Outfitter
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Brother Steve,
Could you give more details on the 7SGLC? My memory is failing me right now....
“There are some who can live without wild things and some who cannot.” ALDO LEOPOLD
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Campfire Outfitter
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Campfire Outfitter
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I have a 7x57AI with a very similar case shape and only a slightly larger case capacity. I get 3050fps w/56.5gr of RL19 and a 140gr ballistic tip and 2950fps w/55.0gr of the same and a 150gr ballistic tip. 2900 w/the right powder should be very doable in the '08AI. powdr
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Campfire Tracker
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I believe a 280 has more capacity than a 7-57 Imp and it will barely get those speeds in a 22" barrel.
Last edited by RinB; 06/22/16.
“Perfection is achieved not when there is nothing more to add, but when there is nothing left to take away”. Antoine de Saint-Exupery. Posted by Brad.
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Joined: Mar 2008
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Campfire Tracker
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Am I wrong on the capacity?
“Perfection is achieved not when there is nothing more to add, but when there is nothing left to take away”. Antoine de Saint-Exupery. Posted by Brad.
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Campfire Regular
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Has any of this data been pressure tested? Regular 7-08 data from Alliant Alliant Reloder® 16 7mm-08Rem Load Data Test Firearm: 24" SAAMI chamber Universal Receiver test barrel Powder Bullet Brand Weight/Type OAL (in) Primer Brass Max Charge wt (gr) Velocity (ft/sec) Notes Reloder® 16 Speer 130gr Spitzer BTSP 2.730 Fed 210 Fed 47.8 3011 0.250" C Reloder® 16 Hornady 139gr SST 2.780 Fed 210 Fed 45.8 2897 0.300" C Reloder® 16 Nosler 140gr Partition 2.750 Fed 210 Fed 47.2 2952 0.300" C Reloder® 16 Sierra 150gr GameKing 2.760 Fed 210 Fed 45.6 2852 0.230" C Reloder® 16 Hornady 154gr SST 2.770 Fed 210 Fed 45.0 2781 0.300" C Reloder® 16 Barnes 160gr TSX 2.770 Fed 210 Fed 43.5 2628 0.300" C
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Close enough to your goal to not worry about the AI part.
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Close enough to your goal to not worry about the AI part. Unless you want an AI.... There's a constant drum beat on these forums that AI chambers aren't worth the trouble. If you are talking about AI'ing a factory barrel, I agree - the gunsmithing bill won't be worth the added benefits. But if you're talking about cutting a chamber in a virgin blank, an AI chamber can be cut for the same price as a standard chamber. It's only 50-75fps more velocity for an AI over a standard, but more is reliably still more. Not having to trim brass anymore is a nice added bonus. Factory ammunition shoots just fine in an AI barrel (my fireform loads are very accurate). W/ a hand lapped custom tube and a tight chamber you will get about the same velocities as a factory tube in a standard chambering - my 7mm-08AI w/ Hart 23" barrel routinely shoots a little faster w/ factory fodder than published velocity. Really the only down side is fireforming the brass. If you're the kind of person that puts at least 100rounds down range in the off season, it's a non issue. I doubt I will ever chamber a custom tube in a standard chamber for a bolt rifle again. David
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Campfire Kahuna Emeritus & Campfire Outfitter
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Campfire Kahuna Emeritus & Campfire Outfitter
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Brother Steve,
Could you give more details on the 7SGLC? My memory is failing me right now.... For whatever reason, I've always detested the "08" nomenclature. Soooo, I did what Layne Simpson did and named the round kinda after myself My 7X308 Ackley barrel is engraved 7SGLC ... 7 Steve's Good Little Cartridge. Blessings, Steve
"God Loves Each Of Us As If There Were Only One Of Us" Saint Augustine of Hippo - AD 397
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I agree with the above post. Although the barrel for the 7-08ai I have now came from a factory Rem Alaskan Ti 7-08. I like the 50-75 fps, and hardly ever trimming. IF one can get those listed velocities with Reloader-16 in a stock 7-08, add another 50 fps with an AI and it supports a very nice lightweight, compact hunting rifle. My wife used a 7mm-08AI to take a 7x8 NM bull last fall right at 400 yds. She was using a 120 gr TTSX with a MV around 3120 fps. Very easily obtainable with a standard 7-08. Admittedly, IMO at least, this was close to as far as I would want to try that particular combination. But the bullet did exit and the elk walked about 30 yards uphill and went down. She did put one finishing shot in him when she and her guide got to the bull, but he wasn't going anywhere.
"Blessed is the man whose wife is his best friend - especially if she likes to HUNT!"
"Love the Lord your God with all your heart, soul, mind and strength, and love your neighbor as yourself. There is no commandment greater than these."
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- Greg
Success is found at the intersection of planning, hard work, and stubbornness.
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WWP53D
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Wow what a bull. Nice shooting too!
It is irrelevant what you think. What matters is the TRUTH.
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Wow Bludog I would be proud of both elk and the hunter.
Unit 15? No don't answer.
"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli
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Wow! Nice Elk!
You're a lucky man!
David
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