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338RUM TESTING +others |
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Bigdaddy0381
MODERATOR Georgia peach Joined: February/27/2007 Location: Georgia Status: Offline Points: 13682 |
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Posted: March/22/2011 at 08:45 |
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I got to run some test yesterday afternoon with the 338RUM. This is the loads I have got so far and all groups look about the same. 3 shots within 1/2 @100 yards. I'll be doing the 5 shot groups next. I mainly wanted to see if my velocity was in par with the books and presure would stay good. i was shooting 20ft from the crono
load1 * think this will be my load after some fine tuning
300gr bereger
89.5gr Retumbo
fedmag primers
rem brass.
2645
2656
2661
= 2654 average
SD 16
Book max is 90.5gr retumbo @ 2662.
load2
300gr bereger
87.5 H1000
fedmag primers
rem brass.
2554
2549
2539
= 2547 average
SD 15
book max is 88.5gr @ 2619
I also did a load that looked like this. I don't trust it but going to try it again to see. it was to perfect.
load3
250gr SMK
98.5gr retumbo
fedmag primers
rem brass.
2976
2976
2976
2976
= 2976
SD 0
book max is 101.0gr @ 2946 i shot another rifle thru the crony between shot 3 and 4 to see if it was real. I still can't trust it. I'm good just not that good.lol. but there was a change going from 98.5 to99gr of retumbo. load4
250gr SMK
99gr retumbo
fedmag primers
rem brass.
2996
2996
3016
3003
= 3002
SD 20
book max is 101.0gr @ 2964
was a strange load but worked well.The data didn't line up with the book.
I also played with my 308 win
308win
168 VLD
Lapua brass
CCI BR primer
46.5 varget
2737
2732
2743
= 2737
SD 11
book max is 45.5gr @ 2731
not a bad load.
22-250
70gr vld
rem brass
CCI BR primer
32gr varget
3300
3259
3308
= 3286
SD 49, this was way off. still going to give it another go. might have had a fluke low load.
it was a so/so evening of shooting.Now I still have got a few more new rifles to test out and I should be set untill the customs come in.
Edited by Bigdaddy0381 - March/22/2011 at 08:45 |
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P&Z Firearms , Pro gun cleanings and gun repair and wood refinishing.
Ecclesiastes 10:2 |
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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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customs?
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lucytuma
Optics Jedi Knight Joined: November/25/2007 Location: Wisconsin Status: Offline Points: 5389 |
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Hows your sholder?
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not." - Thomas Jefferson
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Bigdaddy0381
MODERATOR Georgia peach Joined: February/27/2007 Location: Georgia Status: Offline Points: 13682 |
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P&Z Firearms , Pro gun cleanings and gun repair and wood refinishing.
Ecclesiastes 10:2 |
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SVT_Tactical
MODERATOR Chief Sackscratch Joined: December/17/2009 Location: NorthCackalacky Status: Offline Points: 31233 |
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Damn you
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Bigdaddy0381
MODERATOR Georgia peach Joined: February/27/2007 Location: Georgia Status: Offline Points: 13682 |
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not sore at all.I think the 308 with no brake has a little more humph to it than the 338 dose.
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P&Z Firearms , Pro gun cleanings and gun repair and wood refinishing.
Ecclesiastes 10:2 |
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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retumbo is good chit
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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Bigdaddy0381
MODERATOR Georgia peach Joined: February/27/2007 Location: Georgia Status: Offline Points: 13682 |
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So far so good. I need 8 more pounds of it now.
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P&Z Firearms , Pro gun cleanings and gun repair and wood refinishing.
Ecclesiastes 10:2 |
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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well im sure, since it takes a pound to load 4 boxes of ammo |
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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