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Feb 12th, 2024
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 Re: .260 Remington Improved (Ackley Imp)
[Re: jeffbird]
#6987163
12/07/17 08:01 PM
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Joined: Dec 2008
Posts: 41,173
J.G.
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THF Celebrity
Joined: Dec 2008
Posts: 41,173 |
I'm glad this thread came up. I keep thinking i need to ai something. Have I mentioned 7mm-08 A.I. and a 162 gr?  What velocity are you obtaining with the 162 in the 7-08 AI? 24" 1:9" makes 2822 MV. 
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Re: .260 Remington Improved (Ackley Imp)
[Re: J.G.]
#6987569
12/08/17 12:47 AM
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Joined: Sep 2011
Posts: 1,053
bo3
Pro Tracker
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Pro Tracker
Joined: Sep 2011
Posts: 1,053 |
I'm glad this thread came up. I keep thinking i need to ai something. Have I mentioned 7mm-08 A.I. and a 162 gr? Yeah but 7mm and A.I. screams 280 AI to me.
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Re: .260 Remington Improved (Ackley Imp)
[Re: bo3]
#6987735
12/08/17 02:38 AM
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Joined: Dec 2008
Posts: 41,173
J.G.
THF Celebrity
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THF Celebrity
Joined: Dec 2008
Posts: 41,173 |
I'm glad this thread came up. I keep thinking i need to ai something. Have I mentioned 7mm-08 A.I. and a 162 gr? Yeah but 7mm and A.I. screams 280 AI to me. Spencer's 280 A.I. shoots a 169 gr 28 fps faster than the 7mm-08 A.I. shoots a 162 gr. On a long action, with a significant heavier powder charge...
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Re: .260 Remington Improved (Ackley Imp)
[Re: J.G.]
#6987859
12/08/17 04:29 AM
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Joined: Sep 2011
Posts: 1,053
bo3
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I'm glad this thread came up. I keep thinking i need to ai something. Have I mentioned 7mm-08 A.I. and a 162 gr? Yeah but 7mm and A.I. screams 280 AI to me. Spencer's 280 A.I. shoots a 169 gr 28 fps faster than the 7mm-08 A.I. shoots a 162 gr. On a long action, with a significant heavier powder charge... Still doesn't have the same ring to it.
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Re: .260 Remington Improved (Ackley Imp)
[Re: J.G.]
#6987870
12/08/17 04:41 AM
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Joined: Sep 2013
Posts: 120
6.5BR
Woodsman
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Woodsman
Joined: Sep 2013
Posts: 120 |
I remember watching a coyote - all four legs up in the air, after I sent a 115 from a 7 RM thru the back of his neck, about 120 yards, thru a 9x before losing the sight pic in recoil. Also remember the same, as a crow heading to the ground as I sent a 55gr via a Swift. Perhaps you should dabble in the Ultra-Fast  No doubt your AI is cooking. I made a few loads in the 160 range with a 7/08 thru a 22" M70 using H414, and surely that powder was not what it needed to get the speeds to potential vs what today's powders offer. I guess I was running around 2600ish, it was not impressive as trajectory suffered. Another 200+ is getting things straightened out a good bit.
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Re: .260 Remington Improved (Ackley Imp)
[Re: bronco71]
#6987893
12/08/17 05:03 AM
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Joined: Nov 2011
Posts: 3,638
DStroud
Extreme Tracker
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Extreme Tracker
Joined: Nov 2011
Posts: 3,638 |
Plane Jane ole 280 Rem from my 23 inch barrel pushes the 175gr ELD-X at 2850.
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."
Jack O'Connor 1963
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Re: .260 Remington Improved (Ackley Imp)
[Re: bronco71]
#6992669
12/12/17 02:51 AM
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Joined: Sep 2007
Posts: 1,358
bronco71
OP
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update....my 308 go gauge arrived and I used it as a no go gauge on the 260 AI and it worked great, bolt would only move a bit less than 1/4. With the taped 260AI go gauge it closed a bit less than 1/2 of the way. Double checked and bolt closes fine on 260AI go gauge. Barrel is torqued to 50 ft-lbs. 
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