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Range test Rem700VSF 308 Win

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/25/2008 at 04:10
8shots View Drop Down
Optics Jedi Knight
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Joined: March/14/2007
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After much anticipation the big day finally arrived, somewhat tempered by a cold rainy day.
The rifle feels nice, is of good quality and handled well. It is heavier then i am used to, but it sat well on the rest and rear sandbags. The bolt operated smoothly with positive ejection. The trigger is a DOG! Despite trying to adjust it one needs a sledge hammer to make it go "bang". The break was crisp and clean. Despite this I do not think that the trigger effected my shooting, due to the weight of the rifle.
During loading the rounds I discovered that the reamer went to sleep on the job. By just holding the bullet at the neck of the shell, the OCL is 85mm. By seating it 2mm in or 83mm OCL, I am not even touching the lands. A standard 308 Win OCL is 81mm.
I shot allmost 10 different load combinations and found that even a small variation in seating depth or powder weight made a big difference in grouping. I did not expect the 308 Win to be so finicky. Despite this my best round is still a bist dissapointing.
All rounds were with 155 gr Sierra Match King. Is the 1 in 12 twist to slow. Speed of about 2800 ft per second. Some bullets seemed to keyhole.
So either a different powder or lighter bullets or ????
I post my best grouping and my worst. Which happens to be same OCL and a 1/2 gr of powder variance!
 


Edited by 8shots - August/25/2008 at 04:12
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/25/2008 at 07:40
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8shots, your groupings are typical of "pulling" the trigger.  The bottom target might also suggest canting a bit.  Hard to say without having been there to watch, but typical of the two above mentioned error factors. 
I suggest trying some high grade factory match ammo to get a baseline, then do load workups.  And get a trigger job or a new trigger. 
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/25/2008 at 08:26
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Optics Jedi Knight
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I have collected a Timney trigger which I will install tonight.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/25/2008 at 08:33
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Try some 168 SMK bullets.  Most of those VS guns really shoot those well.  Also your chamber is a typical remington chamber, on my VS it was the same thing, but SMKs they seem to be okay with the jump as mine always shot well.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/25/2008 at 08:44
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Optics Jedi Knight
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Originally posted by Kickboxer Kickboxer wrote:

8shots, your groupings are typical of "pulling" the trigger.  The bottom target might also suggest canting a bit.  Hard to say without having been there to watch, but typical of the two above mentioned error factors. 
I suggest trying some high grade factory match ammo to get a baseline, then do load workups.  And get a trigger job or a new trigger. 
 
I have posted more targets under the reloading thread. Some targets show vertical stringing and others horizontal stringing. This post is more a rifle report then looking at the loads issue, hence only two targets posted as worst and best. But thank you for your comments.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/25/2008 at 22:19
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Thanks for the report.  Glad you are finally able to shoot the new toy!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/26/2008 at 11:13
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Did that come with the new, X Mark Pro trigger or the older one?
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/27/2008 at 02:40
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Optics Jedi Knight
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The new X Mark Pro. The trigger spring is rather strong and cannot be adjusted to lightly.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/27/2008 at 05:41
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i didnt have any trouble taking mine to 3.5-4lbs and thats light enough of course for a hunting rifle im sure you want oz not lbs though
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: August/27/2008 at 09:00
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I need oz or 1lb or less.

L-1

General purpose hunting. 1.5 lbs. to 4 lbs. Factory adjusted to break at 2.3lbs.
LV-1
Live varmint hunting. 8 oz. to 1.5 lbs. Factory adjusted to break at 10 to 12 oz.
ERV-3
Excellent varmint / target trigger. 4 oz. to 1.25 lbs. Factory adjusted to break at 5 to 7 oz.
L-3
Target trigger. 2 oz. to 6 oz. factory adjusted to break at 2 oz.
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