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my new .260AI custom

 
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  #1  
Old 06-07-2005, 11:42 PM
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Join Date: Jan 2004
Location: North Dakota
Posts: 876
my new .260AI custom

I thought I would share some pix and the make up of the rifle.
I finished the rifle about a month ago, but had wanted to get more load data and some groups before I posted.
but have only had a chance to group while Ackley forming.
(All work done by me.)

Heres the make up of the rife:
Savage 16 action acurized
Broughton 5C 25" barrel
McMillan A5 stock (50 tan,30 OD green and 20 black)
Ken farrel 20 min. base bedded to the action and the action pillar bedded in the stock.With a competition recoil lug.

I had a chance to take it to a dog town two weeks ago and it did extremely well but I only had about an hour to shoot as my main purpose for going back to the ranch was to help with the ranch's branding, we branded (the old fashioned way) 500 calves that day so I was a little tired and sore by that evening but I just had to go shoot some dogs

Here is a couple pictures of the rifle





Here is a pic. of a five shot group at 300yds while fire forming Remington .260 brass

Here is the load make up:
140 gr. SMK
39.5 gr of big game powder by Ramshot all loads were dumped out of a powder dispenser. I did not weigh individual loads.
210 FGM primers
cronied at 2770 fps.


here is the load I came up with after I fire formed. I don't have any pictures of groups yet.

46.6gr. of reloader 22
everything else the same as above except ackley'd cases.
I cronied four shots at 2921 with the extreme spread of
5 fps. and don't ask me how that happened with Remington brass.

I also had some .308 Lapua brass which I made a die and sized down to .260 and then AI it. The neck ends up a little shorter witha case length being exactly 2".
I will probably be turning the necks on these because after fire forming without running through the neck collet die it will hold a bullet slightly. The gun has not shot anything over 1/2" at 100yds. and all groups were shot off the bipod with a rear bag. I modified the magazine to feed the Ackleys and it feeds them pretty well..for an Ackley.
I also still have the acu trigger in it,set at 2 lbs which is heavier than I'd like. I will be posting more loads as I just got some VihtaVuori N560 powder.


I guess I have to brag up Broughton barrels on this job.
The velocities are much higher than I had expected and the pressures are mild to medium with these loads in my gun, again I always recommend starting lower and working up to any loads posted.
well I guess this is enough for now and I hope you enjoy the pix as I sure love seeing pix and performance of your rifles.
308nate
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  #2  
Old 06-08-2005, 04:30 AM
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Join Date: Oct 2004
Location: Northamptonshire England
Posts: 676
Re: my new .260AI custom

308,
The bullet hole through the rule is a nice touch! [img]/ubbthreads/images/graemlins/grin.gif[/img] [img]/ubbthreads/images/graemlins/grin.gif[/img] [img]/ubbthreads/images/graemlins/grin.gif[/img]
Seriously though, a very fine set up. [img]/ubbthreads/images/graemlins/cool.gif[/img]

Ian.

"I mean't to shoot the pike but the duck got in the way"
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  #3  
Old 06-08-2005, 05:40 AM
 
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Re: my new .260AI custom

Aghh yea..

Very nice rig.

Joe
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  #4  
Old 06-21-2005, 10:45 PM
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Join Date: Jan 2004
Location: North Dakota
Posts: 876
Re: my new .260AI custom

A week ago Saturday I shot my first ever "F" class match
with my .260AI and man was it ever fun!! I shot off a bi-pod
at 800,900 & 1,000 yds.
15 shots at each range.And to my surprise when we got all done I was in first place! [img]/ubbthreads/images/graemlins/shocked.gif[/img][img]/ubbthreads/images/graemlins/grin.gif[/img]

at 800 yds. I shot a 148.04 (nervous)
at 900 yds. I shot a 149.09 (calm and everything just clicked)
at 1,000 yds. I shot a 144.03 (wind changed directions 4 times minimum)
all in all I had an awesome time and am looking forward to this September when I will be competing at a two day "F" class shoot here in Bismarck,ND. 100 rounds total all at 1,000 yds. [img]/ubbthreads/images/graemlins/smile.gif[/img]

Here is the load I used for the match:
.308 Lapua brass necked down and fire formed to .260 AI.
139 gr. Lapua bullet .002 into the lans
210FGM primer
VVN560 46grs.
cronied at 3931 FPS. with E.S of 6.4FPS.
man do I like the Broughton 5C barrels!!
well, I just had to share my excitement.
308nate
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  #5  
Old 06-22-2005, 03:35 AM
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Join Date: May 2001
Posts: 2,369
Re: my new .260AI custom

Nice rifle and good shooting.
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  #6  
Old 06-22-2005, 07:47 AM
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Join Date: Sep 2002
Location: Nebraska
Posts: 264
Re: my new .260AI custom

Hey Nate

Good shooting but one thing [img]/ubbthreads/images/graemlins/grin.gif[/img]

A 139 46gr N560 cronied at 3961fps ????????? [img]/ubbthreads/images/graemlins/grin.gif[/img] Man i am gonna have a 30" Broughton barrel Am i gonna push 4200 with it [img]/ubbthreads/images/graemlins/grin.gif[/img] Just kidding know it is a typo.

Sweet rig.
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  #7  
Old 06-22-2005, 08:20 AM
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Join Date: Jan 2004
Location: North Dakota
Posts: 876
Re: my new .260AI custom

yes it is a typo 2931fps
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