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Mar 25th, 2012
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Latest rifle load development- 7-08 Ackley #7149084
04/23/18 05:23 PM
04/23/18 05:23 PM
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Lewisville, TX
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ChadTRG42 Offline OP
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Here is a recent target from a THF member, shooting his custom 7-08 Ackley Improved. This is his fire forming load. The brass was loaded as standard 7-08, and this is the fire forming load work up. Now I have fire formed 7-08 Ackley brass, I will clean the brass, FL size it with a neck bushing, and do a second load work up on the Ackley brass to get the full Ackley speeds. Bullet is a 162 grain Hornady ELDX and Lapua brass, Fed 210M primer, Varget powder.

This rifle showed the typical signs for a load work up with a quality rifle and scope. Loads were tested at 200 yards and chronographed with a Lab Radar. Load A showed a little stringing. This tells me I am approaching an accuracy node. Load B tighten up some and gave a nice round group. Load C is a 5 round group at 200 yards with 3 bullets touching, and 2 real close. Total group size was .826" at 200 yards, with a little wind mixed in, I think (I had a switching wind from about 6 o'clock to 8 o'clock all day). .39 moa with an 8 fps ES (extreme spread)! I'll take it! Load D opened up and Load E the same. Overall, all groups shot good, and the rifle shot well. But you can see the difference between the loads that are tuned to the rifle and the one's that are not.





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Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7149135
04/23/18 06:01 PM
04/23/18 06:01 PM
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Chad, do think he'll get similar results if he were to use CCI 200's? .826" at 200 is darn good, looks like a bucket of fun.

Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7149137
04/23/18 06:03 PM
04/23/18 06:03 PM
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Lewisville, TX
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Actually, I forgot, we used CCI #200 for that. I'm just used to using Fed 210;s.



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Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7149216
04/23/18 07:41 PM
04/23/18 07:41 PM
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Royse City, TX
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That's good shooting and nice writeup. Thanks!

Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7149224
04/23/18 07:50 PM
04/23/18 07:50 PM
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Wolfe City, TX
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Told ya.



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Re: Latest rifle load development- 7-08 Ackley [Re: FiremanJG] #7149282
04/23/18 08:39 PM
04/23/18 08:39 PM
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Originally Posted By: FiremanJG
Told ya.


LOL!



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Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7149370
04/23/18 10:20 PM
04/23/18 10:20 PM
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Frisco, Texas
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Don't burn the barrel up on my new rifle !!!


"I ain't here for a long time, I'm here for a good time"
King George Strait


Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7149426
04/23/18 11:35 PM
04/23/18 11:35 PM
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Wylie, TX
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Originally Posted By: ChadTRG42
Originally Posted By: FiremanJG
Told ya.


LOL!


Who hasn't he told might be a better question loco_too


Originally Posted By: Phil Robertson
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
Re: Latest rifle load development- 7-08 Ackley [Re: Judd] #7149461
04/24/18 12:17 AM
04/24/18 12:17 AM
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Wolfe City, TX
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Originally Posted By: Judd
Originally Posted By: ChadTRG42
Originally Posted By: FiremanJG
Told ya.


LOL!


Who hasn't he told might be a better question loco_too


Says the guy that just built a 7mm-08 A.I.



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Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7149611
04/24/18 02:16 AM
04/24/18 02:16 AM
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I'm not as hard headed as some wink


Originally Posted By: Phil Robertson
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
Re: Latest rifle load development- 7-08 Ackley [Re: Judd] #7149620
04/24/18 02:29 AM
04/24/18 02:29 AM
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Wolfe City, TX
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Originally Posted By: Judd
I'm not as hard headed as some wink


flehan



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Re: Latest rifle load development- 7-08 Ackley [Re: Judd] #7149633
04/24/18 02:40 AM
04/24/18 02:40 AM
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Greenville, TX
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Originally Posted By: Judd
I'm not as hard headed as some wink


You talking about me, boy? duel


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Originally Posted by KRoyal
Haha yea I polished that thing for hours.
Re: Latest rifle load development- 7-08 Ackley [Re: ImTheReasonDovesMourn] #7149656
04/24/18 03:00 AM
04/24/18 03:00 AM
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Wolfe City, TX
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Yeah, you're one of them.



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Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7149659
04/24/18 03:02 AM
04/24/18 03:02 AM
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Red River way
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dee Online content
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Look at all you followers......... Grin


"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
Re: Latest rifle load development- 7-08 Ackley [Re: FiremanJG] #7149680
04/24/18 03:24 AM
04/24/18 03:24 AM
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Originally Posted By: FiremanJG
Yeah, you're one of them.


I've gotten better over the years.


[Linked Image]
Originally Posted by KRoyal
Haha yea I polished that thing for hours.
Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7149942
04/24/18 01:50 PM
04/24/18 01:50 PM
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Wylie, TX
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I was just talking to anyone who will listen nuts

Mine is a cool little 16" Encore that will wear a suppressor. I'm excited to see what it will do. Right now, Jason and I are arguing over bullets smile


Originally Posted By: Phil Robertson
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7149951
04/24/18 01:56 PM
04/24/18 01:56 PM
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120 from a 16" tube would be tough and they are some hard hitting little suckers


"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
Re: Latest rifle load development- 7-08 Ackley [Re: dee] #7149980
04/24/18 02:10 PM
04/24/18 02:10 PM
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Originally Posted By: dee
Look at all you followers......... Grin


You were first. I yeild to you.

Hell, I had to buy Tony the reamer. He was wondering if A.I. would be worth it. I said, "well, I've watched dee's numbers and I'm sold." Chad doesn't want any part of it for his own use, but he's coming around, now that this 4th rifle the same smith and reamer has done the same thing, which is shoot very tight while fire forming as well as fire formed.



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Re: Latest rifle load development- 7-08 Ackley [Re: Judd] #7149981
04/24/18 02:11 PM
04/24/18 02:11 PM
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Originally Posted By: Judd
I was just talking to anyone who will listen nuts

Mine is a cool little 16" Encore that will wear a suppressor. I'm excited to see what it will do. Right now, Jason and I are arguing over bullets smile


You said you weren't as hard headed as others, but you still are with the bullet choice. bang



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Re: Latest rifle load development- 7-08 Ackley [Re: dee] #7149986
04/24/18 02:13 PM
04/24/18 02:13 PM
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Originally Posted By: dee
120 from a 16" tube would be tough and they are some hard hitting little suckers


Having shot 162's out of the 17", then 150's out of the same rifle, both shot well, both have their merits, but I'm leaning on committing to the 162's. I like long heavy bullets. hammer



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Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7150009
04/24/18 02:23 PM
04/24/18 02:23 PM
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162 in a shorter barrel are a bit turtle like, no?

Re: Latest rifle load development- 7-08 Ackley [Re: garyrapp55] #7150109
04/24/18 03:30 PM
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Originally Posted By: garyrapp55
162 in a shorter barrel are a bit turtle like, no?


Not in an A.I. I got them shooting well at 2640 fps MV. That's not "fast" but it ain't slow either.

Yours will end up shooting them around 2800+ since you have 7" more barrel. And the angels sing a beautiful song. grin



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Re: Latest rifle load development- 7-08 Ackley [Re: FiremanJG] #7150524
04/24/18 09:20 PM
04/24/18 09:20 PM
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Originally Posted By: FiremanJG
Originally Posted By: garyrapp55
162 in a shorter barrel are a bit turtle like, no?


Not in an A.I. I got them shooting well at 2640 fps MV. That's not "fast" but it ain't slow either.

Yours will end up shooting them around 2800+ since you have 7" more barrel. And the angels sing a beautiful song. grin


2640fps is a turtle...hence the reason I was thinking 140ís but now that dee has chimed in now Iím leaning toward 120ís wink


Originally Posted By: Phil Robertson
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
Re: Latest rifle load development- 7-08 Ackley [Re: Judd] #7150581
04/24/18 10:12 PM
04/24/18 10:12 PM
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Originally Posted By: Judd
Originally Posted By: FiremanJG
Originally Posted By: garyrapp55
162 in a shorter barrel are a bit turtle like, no?


Not in an A.I. I got them shooting well at 2640 fps MV. That's not "fast" but it ain't slow either.

Yours will end up shooting them around 2800+ since you have 7" more barrel. And the angels sing a beautiful song. grin


2640fps is a turtle...hence the reason I was thinking 140ís but now that dee has chimed in now Iím leaning toward 120ís wink


Text me your wife's phone number, and tell me what her favorite wine is. I'm gonna have her whisper in your ear, when you're asleep "use the ELDs, use the ELDs".



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Re: Latest rifle load development- 7-08 Ackley [Re: ChadTRG42] #7150600
04/24/18 10:27 PM
04/24/18 10:27 PM
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120 inside 400 is hard to beat. Outside of that I'd give the 150's a good shake down.


"A vote is like a rifle; it's usefulness depends on the character of the user" Theodore Roosevelt
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