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Author Topic: 700 SPS 308  (Read 1007 times)

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Offline hvacman

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700 SPS 308
« on: January 04, 2009, 03:25:09 PM »
I've been shooting my new 308 a few times and am curious if my results are similar to others. At 100 yds' I get .9 inch 5 shot groups w/handloads and .75 to .8 with Federal match ammo. At 200 I'm averaging 2.2 w/handloads and 1.2 to 1.5 with the match ammo. I can't seem to get the velocity that the factory ammo gets based on bullet drop ( I don't have a chronograph). Overall I'm happy with my $600.00 rifle and hope it will improve when I get a better stock.
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Online Graybeard

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Re: 700 SPS 308
« Reply #1 on: January 04, 2009, 07:24:17 PM »
Sounds about right. That's pretty typical of Remington Varmint rifle performance.
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Offline Totenkopf

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Re: 700 SPS 308
« Reply #2 on: January 04, 2009, 07:43:52 PM »
In agreement with GB. Do you neck size only? It will ever so slightly increase case capacity and let you get a little more powder in there for velocity and increase accuracy. Also may be able to play with length. Just for reference, do not duplicate load, this is for fire formed brass then neck sized only. Is above max most likely with full formed brass.

308 Winchester
Bullet Berger
BulletWeight 168 grs
Powder Vihtavuori N140
PowderWeight 42 grs
Primer Federal 205
Brass Make Remington
Barrel Length 26 (inches)
C.O.L  2.815 (inches)
Velocity 2874 (fps)
Group  .35 (inches by 5 shot at 100 yds) 
Gun Info   Totenkopf Precision Tactical
Comment 0.006 off lands. Five shots thru one hole 100 yards 7mph cross wind. 4.06" 5 shot 1000 yards 3mph cross wind
   
Energy 3077 ft-lbs 
TKO 21.25 
OGW 1006 lbs 
IPSC PF  483
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Offline wareagleguy

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Re: 700 SPS 308
« Reply #3 on: January 06, 2009, 03:52:56 PM »
4.06" 5 shoot group @ 1000 yards!!!
Damn!
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Offline Totenkopf

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Re: 700 SPS 308
« Reply #4 on: January 06, 2009, 04:01:05 PM »
No big deal, I build custom rifles off of 700 actions. You could do the same with them. Just takes a little while to learn trigger control and breathing. I'm not as good as some of the groups I've gotten back from customers.
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Offline horseman308

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Re: 700 SPS 308
« Reply #5 on: January 08, 2009, 03:11:53 PM »
Quote from: Totenkopf on January 06, 2009, 04:01:05 PM
I'm not as good as some of the groups I've gotten back from customers.

 :o :o :o
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Offline Totenkopf

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Re: 700 SPS 308
« Reply #6 on: January 08, 2009, 07:06:52 PM »
Here's one Matt Richardson sent. Claimed he was attacked by two mosquitos while printing this 1000 yard group. I have no doubt he was telling the truth. BTW it was still 3.8". I have to cheat and shoot 5 shot groups to stay under my .5 MOA gurantee. Most of the folks who buy them can do it with 10 or more.
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Offline nomosendero

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Re: 700 SPS 308
« Reply #7 on: January 09, 2009, 02:26:49 PM »
Quote from: Totenkopf on January 04, 2009, 07:43:52 PM
In agreement with GB. Do you neck size only? It will ever so slightly increase case capacity and let you get a little more powder in there for velocity and increase accuracy. Also may be able to play with length. Just for reference, do not duplicate load, this is for fire formed brass then neck sized only. Is above max most likely with full formed brass.

308 Winchester
Bullet Berger
BulletWeight 168 grs
Powder Vihtavuori N140
PowderWeight 42 grs
Primer Federal 205
Brass Make Remington
Barrel Length 26 (inches)
C.O.L  2.815 (inches)
Velocity 2874 (fps)
Group  .35 (inches by 5 shot at 100 yds) 
Gun Info   Totenkopf Precision Tactical
Comment 0.006 off lands. Five shots thru one hole 100 yards 7mph cross wind. 4.06" 5 shot 1000 yards 3mph cross wind
   
Energy 3077 ft-lbs 
TKO 21.25 
OGW 1006 lbs 
IPSC PF  483


Do you build yours with extended mag. box? Of course you probably use a throat that matches the magazine. I have a M700VS & for a factory rifle it is a dandy, but the throat is VERY long & loading the bullets out as far a possible to still feed in the mag still gives me a lot of jump, I am sure that is why the Bergers aren't doing well. But regardless, the 168V-Max is doing great.
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Offline hvacman

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Re: 700 SPS 308
« Reply #8 on: January 09, 2009, 03:52:52 PM »
There for awhile I was feeling ok about my groups. After hearing about 3 and 4 in. groups at 1000 I'm feeling humbled. I was thinking about having Hill Country Rifles accurize this gun and set it up with a McMillan M40-Al stock. Anybody had any experience with Hill Country?
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Offline Totenkopf

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Re: 700 SPS 308
« Reply #9 on: January 09, 2009, 06:33:44 PM »

Do you build yours with extended mag. box? Of course you probably use a throat that matches the magazine. I have a M700VS & for a factory rifle it is a dandy, but the throat is VERY long & loading the bullets out as far a possible to still feed in the mag still gives me a lot of jump, I am sure that is why the Bergers aren't doing well. But regardless, the 168V-Max is doing great.
[/quote]
No sir, I use lilja blanks. Chamber for .308 is cut 2.825" deep. With it that shallow most name brand factory ammo will stay at or near .5 moa just in case they don't want to reload. It slill gives leway for a brand that is a tad long. In your case, extending the mag may be the best bet if you want to do better. If it's good enough the way it is, that's fine too.
I had to put one in a sako trg-42 .338 lapau, to get the bullets long enough. That was a booger bear until I tried a dremel tool to inlet the stock. The only brand I have messed with is Wyatts. Never tried one on a 700 though since I don't use the factory barrel.
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Offline wareagleguy

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Re: 700 SPS 308
« Reply #10 on: January 11, 2009, 05:29:55 AM »
I have a 308 VTR and using the Berger 168 vld.  I am using the factory setup and have a long jump to the lands but still getting very good groups.
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