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Rifles, Reloading, Optics, Equipment
Reloading
338 Jarrett
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<blockquote data-quote="comen" data-source="post: 2606880" data-attributes="member: 52622"><p>Lyman #50 shows a starting load of 83 gr and a max of 87 gr RL 22, but a much shorter barrel than mine. My old Barnes book shows the same with the ungrooved x bullet. My action is a Remington M1917 action, fully blueprinted. I don't have any pressure sign other than slight cratering from a slightly large firing pin hole in the bolt face, and I get this with 78 grains, The action opens very easily, and the edges of the primers are still round. Still, my velocity seems high. I chrongraphed at 30 rounds, and this same load gave 3110 fps while fireforming. I am about 80 rounds now, and Chronoed 6 fireformed rounds today:</p><p>1. 3228</p><p>2. 3230</p><p>3. 3235</p><p>4. 3224</p><p>5. 3237</p><p>6. 3245</p><p></p><p>ES was 21 fps and SD was 7</p><p>Should I reduce further, or is my barrel just fast? Could my magneto speed be giving bad velocities?</p></blockquote><p></p>
[QUOTE="comen, post: 2606880, member: 52622"] Lyman #50 shows a starting load of 83 gr and a max of 87 gr RL 22, but a much shorter barrel than mine. My old Barnes book shows the same with the ungrooved x bullet. My action is a Remington M1917 action, fully blueprinted. I don't have any pressure sign other than slight cratering from a slightly large firing pin hole in the bolt face, and I get this with 78 grains, The action opens very easily, and the edges of the primers are still round. Still, my velocity seems high. I chrongraphed at 30 rounds, and this same load gave 3110 fps while fireforming. I am about 80 rounds now, and Chronoed 6 fireformed rounds today: 1. 3228 2. 3230 3. 3235 4. 3224 5. 3237 6. 3245 ES was 21 fps and SD was 7 Should I reduce further, or is my barrel just fast? Could my magneto speed be giving bad velocities? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
338 Jarrett
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