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Rifles, Reloading, Optics, Equipment
Reloading
What happened to my load?!
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<blockquote data-quote="101stCurrahee" data-source="post: 1754553" data-attributes="member: 111731"><p>I just worked up my first loads for my bergara hmr in 300 win mag a week ago. I shot 3 rounds groups going up in .5 grain increments and found a node at 77 grains that gave me <0.4moa groups at 100 yards. </p><p></p><p>So I went back and loaded up 10 more identical rounds at 77 grains, and 5 each at 77.2 and 76.8. Same exact everything. Seated .02 off the lands. </p><p></p><p>This time my 77 grain load was 2 moa, the 76.8 was 1 moa and the 77.2 was 1.5 moa. </p><p></p><p></p><p>What happened?? I was so happy. Was it just sheer accident and luck I shot <0.4 moa with a crap load? </p><p></p><p> Not only was the grouping terrible but my ES was 40-55 FPS. I'm very careful using my beam scale with a powder trickler frequently adding or removing one single granule to get exactly the same each time. </p><p></p><p></p><p>I don't even know where to go from here. Up? Back down to the next lower node that was ok? I really don't want the slower velocity several grains lower. I'd rather stay up near 2950 but now it shoots like garbage.</p></blockquote><p></p>
[QUOTE="101stCurrahee, post: 1754553, member: 111731"] I just worked up my first loads for my bergara hmr in 300 win mag a week ago. I shot 3 rounds groups going up in .5 grain increments and found a node at 77 grains that gave me <0.4moa groups at 100 yards. So I went back and loaded up 10 more identical rounds at 77 grains, and 5 each at 77.2 and 76.8. Same exact everything. Seated .02 off the lands. This time my 77 grain load was 2 moa, the 76.8 was 1 moa and the 77.2 was 1.5 moa. What happened?? I was so happy. Was it just sheer accident and luck I shot <0.4 moa with a crap load? Not only was the grouping terrible but my ES was 40-55 FPS. I’m very careful using my beam scale with a powder trickler frequently adding or removing one single granule to get exactly the same each time. I don’t even know where to go from here. Up? Back down to the next lower node that was ok? I really don’t want the slower velocity several grains lower. I’d rather stay up near 2950 but now it shoots like garbage. [/QUOTE]
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Reloading
What happened to my load?!
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