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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM Load development*group pics added*
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<blockquote data-quote="lamiglas" data-source="post: 535592" data-attributes="member: 11075"><p>mike,</p><p>i wish i would have added this earlier, but the groups you showed didnt trigger this thought. anyway, i mentioned that this lss was the more difficult one to get dialed in with. the barrel was floated and there was no contact (again, not bedded). when i would should for 3 shot groups, two would almost always be touching and the one would always be out of the group. for me it wasnt always one and two in, and the third one out, but most of the time that was the case. i would head out with 12-15 rounds loaded up in 1/2 grain increments and towards the end with slight oal changes.</p><p> </p><p>anyway, i finally settled in on 90 grains and I think 3.640 oal. this combination still did this, but way less than the others, and i shot several 3 shot groups with this where two would be touching and one would be out, to make the overall group approx somewhere just over .7 ish. </p><p> </p><p>finally i decided that this is what we had to work with and i zeroed the gun and was going to shoot one more 3 shot group. this time i shot one, had to gather some eggs etc, came back 15 minutes later, shot number two and it was in the same hole. so i waited another 15 minutes and shot number 3. it was touching the first two rounds. i duplicated this 2 more times with similar results. I called up the rifle owner and explained to him that if he shot very very slow, his rifle was very capable of 1/2 moa. if he shot normal slow, it was capable of approx 3/4 moa.</p><p> </p><p>this is when i adjusted the torque from the 60 that it was (I know that this is probably to much, but this is what it was set at when i received it) to 40 in/lb.</p><p> </p><p>i wanted to see if it made a difference so i shot 3 fairly quick (45 seconds between shots) and it shot somewhere around .4. I did this one more time and put the gun away. the next day, i duplicated this again. anyway, for this gun, that made a world of difference.</p><p> </p><p>also, we have found that this gun needs to be cleaned every 40 rounds or so to maintain its accuracy.</p></blockquote><p></p>
[QUOTE="lamiglas, post: 535592, member: 11075"] mike, i wish i would have added this earlier, but the groups you showed didnt trigger this thought. anyway, i mentioned that this lss was the more difficult one to get dialed in with. the barrel was floated and there was no contact (again, not bedded). when i would should for 3 shot groups, two would almost always be touching and the one would always be out of the group. for me it wasnt always one and two in, and the third one out, but most of the time that was the case. i would head out with 12-15 rounds loaded up in 1/2 grain increments and towards the end with slight oal changes. anyway, i finally settled in on 90 grains and I think 3.640 oal. this combination still did this, but way less than the others, and i shot several 3 shot groups with this where two would be touching and one would be out, to make the overall group approx somewhere just over .7 ish. finally i decided that this is what we had to work with and i zeroed the gun and was going to shoot one more 3 shot group. this time i shot one, had to gather some eggs etc, came back 15 minutes later, shot number two and it was in the same hole. so i waited another 15 minutes and shot number 3. it was touching the first two rounds. i duplicated this 2 more times with similar results. I called up the rifle owner and explained to him that if he shot very very slow, his rifle was very capable of 1/2 moa. if he shot normal slow, it was capable of approx 3/4 moa. this is when i adjusted the torque from the 60 that it was (I know that this is probably to much, but this is what it was set at when i received it) to 40 in/lb. i wanted to see if it made a difference so i shot 3 fairly quick (45 seconds between shots) and it shot somewhere around .4. I did this one more time and put the gun away. the next day, i duplicated this again. anyway, for this gun, that made a world of difference. also, we have found that this gun needs to be cleaned every 40 rounds or so to maintain its accuracy. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM Load development*group pics added*
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