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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
School me on the 7 LRM
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<blockquote data-quote="WeiserBucks" data-source="post: 1414657" data-attributes="member: 97492"><p>Finally got a chance to try out some test rounds. Loaded 71-73 grains of H1000 and Retumbo. 180 hybrids .015" off the lands for all loads . All loads produced ok accuracy given the conditions, 20 degrees and breezy. </p><p></p><p>H1000 was the clear winner, 73 grains produced velocities of 3072 , 3079 and 3072 . Very minor pressure signs and about a 1/2" group. I'll concentrate on fine tuning this load in the future. </p><p></p><p>Retumbo was a fail, 71 and 72 grain loads showed great ES but were very slow , no pressure signs. 73 grains produced 3078 , 3137 and 3197 , very obvious pressure signs and definitely not a good combination.</p></blockquote><p></p>
[QUOTE="WeiserBucks, post: 1414657, member: 97492"] Finally got a chance to try out some test rounds. Loaded 71-73 grains of H1000 and Retumbo. 180 hybrids .015" off the lands for all loads . All loads produced ok accuracy given the conditions, 20 degrees and breezy. H1000 was the clear winner, 73 grains produced velocities of 3072 , 3079 and 3072 . Very minor pressure signs and about a 1/2" group. I'll concentrate on fine tuning this load in the future. Retumbo was a fail, 71 and 72 grain loads showed great ES but were very slow , no pressure signs. 73 grains produced 3078 , 3137 and 3197 , very obvious pressure signs and definitely not a good combination. [/QUOTE]
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School me on the 7 LRM
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