Ramshot Big Game in the 338-06

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01 August 2008, 07:05

ole_270

Ramshot Big Game in the 338-06

Been working up loads for the new 338-06 and saw a couple of posts mentioning Big Game with the 200-225 weights. I loaded up some with the 200 Hornady and 210 Partition and worked up to 62 gr.(max. according to a Ramshot correspondence). The groups varied a bit, but were acceptable. The velocity spread however wasn't, I got as much as 120fps difference in a 3 shot group! I'm using Win WLR primers and wondering if I would be better off with magnum primers? What primers are those of you shooting Big Game in this cartridge using and how is your velocity spread?
Right now 4320 is the accuracy champ, but slow. RL-15 is the one for combination of speed and accuracy in this rifle. So far anyway.

01 August 2008, 09:59

SDhunter

I would try switching primers.

I have had pretty good luck with Varget.

01 August 2008, 13:33

cobra

quote:
Originally posted by ole_270:
Been working up loads for the new 338-06 and saw a couple of posts mentioning Big Game with the 200-225 weights. I loaded up some with the 200 Hornady and 210 Partition and worked up to 62 gr.(max. according to a Ramshot correspondence). The groups varied a bit, but were acceptable. The velocity spread however wasn't, I got as much as 120fps difference in a 3 shot group! I'm using Win WLR primers and wondering if I would be better off with magnum primers? What primers are those of you shooting Big Game in this cartridge using and how is your velocity spread?
Right now 4320 is the accuracy champ, but slow. RL-15 is the one for combination of speed and accuracy in this rifle. So far anyway.

With the 225 weights, try RL-19.

03 August 2008, 07:24

M1alaska

I have been using 57grs IMR 4350 w/Sie 250 SBT, CCI 200 primers- 2495 FPS, 25 fps VD. Shoots just under 4" at 300 yds out of my 22" PAC-NOR barreled 1903. No excessive pressure signs, no extraction or resizing problems in my rifle. Hope this helps.

03 August 2008, 11:34

vapodog

quote:
I'm using Win WLR primers and wondering if I would be better off with magnum primers?

I'd think a magnum primer might cut the SD quite a bit.....IIRC all Ramshot powders are ball powders.

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