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Interested in reviews with the 7-30 ai used on medium sized game. Hopefully fired from 22-24 inch barrels with load data and effective range.
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Joined: Nov 2006
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Might not be exactly what you were looking for but....... I had one for a few years with a custom barrel 16" Thompson contender pistol. I used it to take a Sitka black tail deer on Kodiak Island from 150yds with 120gr BT's Worked very well......but sold the pistol a couple years later. It has been a few years but at the time the biggest problem was brass, most of it was garbage. hopefully you have better luck finding good brass to fireform for this round.
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Hey Boat, where you getting bullet pass through at that distance?
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I'm in the process of building a barrel for my single shot rifle. What advantage does the improved version hold over the standard 7-30 Waters? I haven't cut my chamber yet and now I'm intrigued. I shoot a 30-30 AI and really like the increases I get with it.
Medics bury their mistakes..
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Don’t know Dinny, I’m sold on anything ackley. I am just thinking of a future build down the road.
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Joined: Mar 2011
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I would definitely lay into a nice stock of the 120gr BT’s. I had a MGM 24” contender barrel and it shot these exceptionally well and performance is great.
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Joined: Oct 2013
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How does the AI compare to the 7mm Bullberry?
The last time that bear ate a lawyer he had the runs for 33 days!
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Joined: Dec 2002
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Campfire 'Bwana
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Campfire 'Bwana
Joined: Dec 2002
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How is the 7-30 Waters AI much different, performance wise at least, from the 7mm Shooting Times Easterner (7 STE) that Layne Simpson pushed a number of years back?
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The Simpson cartridge is based on the 307 win. Larger case. Puts more pressure on the action. Just from what I read.
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Isn’t the 7-30 waters already an “improved” case? I may be wrong, just wondering out loud.
Its not always easy to do the right thing, But it is always the right thing to do.
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Joined: Oct 2013
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Isn’t the 7-30 waters already an “improved” case? I may be wrong, just wondering out loud. Sort of/kind of. Just not the standard "AI" 40° shoulder. Thinking the Bullberry is basically a 7-30 Waters Improved.
The last time that bear ate a lawyer he had the runs for 33 days!
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Isn’t the 7-30 waters already an “improved” case? I may be wrong, just wondering out loud. Sort of/kind of. Just not the standard "AI" 40° shoulder. Thinking the Bullberry is basically a 7-30 Waters Improved. That’s what I have read. There will be someone that chimes in that has the field tests
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Thinking the Bullberry is basically a 7-30 Waters Improved. It's not. The 7mm BB is basically the 7mm Int'l Rimmed with the unnecessarily long neck trimmed back to give a case length of 1.75". I used a 20 1/8th Contender barrel in 7mm Bullberry for many years and racked up well into three figures of big game kills with it. A 120 grain Ballistic Tip at 2651 fps or a 140 grain BT at a bit over 2400 fps both work exceptionally well on game. Ditto for the long-discontinued 130 grain Sierra SSP at 2500+ fps. I also took quite a bit of game with a 24" 7-30 Waters barrel. A book load of W748 gave me 2603 fps with the 140 grain CT-BST -- and that one put down lots of hogs. One of my longest shots with it was a boar at 353 yards. Bullet performance was textbook. A later 23" Waters shined with a mild load of Re-15 and the 120 grain BT at 2650 fps. Inside of 300 yards, there's not a hog, whitetail or mule deer alive that couldn't be cleanly harvested with either the 7mmBB or the 7-30. Improving the Waters to AI configuration may give you a few fps more, but it's not enough to matter anyway. The biggest advantage to an AI case in a single shot like the Contender is that -- theoretically -- you'll be trimming less frequently and that it is supposedly easier on the frames (backthrust).
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And if you want a do-it-all bullet for the Water, look no farther than the 120 grain Nosler BT. This one was recovered from a large boar after a quartering-to presentation.
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Joined: Oct 2013
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Thinking the Bullberry is basically a 7-30 Waters Improved. It's not. The 7mm BB is basically the 7mm Int'l Rimmed with the unnecessarily long neck trimmed back to give a case length of 1.75". I used a 20 1/8th Contender barrel in 7mm Bullberry for many years and racked up well into three figures of big game kills with it. A 120 grain Ballistic Tip at 2651 fps or a 140 grain BT at a bit over 2400 fps both work exceptionally well on game. Ditto for the long-discontinued 130 grain Sierra SSP at 2500+ fps. I also took quite a bit of game with a 24" 7-30 Waters barrel. A book load of W748 gave me 2603 fps with the 140 grain CT-BST -- and that one put down lots of hogs. One of my longest shots with it was a boar at 353 yards. Bullet performance was textbook. A later 23" Waters shined with a mild load of Re-15 and the 120 grain BT at 2650 fps. Inside of 300 yards, there's not a hog, whitetail or mule deer alive that couldn't be cleanly harvested with either the 7mmBB or the 7-30. Improving the Waters to AI configuration may give you a few fps more, but it's not enough to matter anyway. The biggest advantage to an AI case in a single shot like the Contender is that -- theoretically -- you'll be trimming less frequently and that it is supposedly easier on the frames (backthrust). I figured you would see this and chime in.
The last time that bear ate a lawyer he had the runs for 33 days!
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