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Last year right before deer season I transformed my rem 700 from a .270 to a 338-06 Ackley. However, being short on time I did very little load development and was shooting 1 1/2" groups or more. In my planning stage I was hoping to get the Barnes 210 TTSX to 2800-2900 fps and get down to 1/2 moa.
Last week I shot 3 rounds of three different charge weights into 0.600". Yesterday I shot two different loads, 3 rounds each, difference was primers. The federal gold match primer loads had 8fps spread and grouped .640" at 2850 fps.
I realize now though to shoot 1/2 moa one of my biggest obstacles may be me. The group is almost perfectly spread horizontally.
Pacmule
Last week I shot 3 rounds of three different charge weights into 0.600". Yesterday I shot two different loads, 3 rounds each, difference was primers. The federal gold match primer loads had 8fps spread and grouped .640" at 2850 fps.
I realize now though to shoot 1/2 moa one of my biggest obstacles may be me. The group is almost perfectly spread horizontally.
Pacmule
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