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Fine tuning loads lee factory crimp die
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<blockquote data-quote="JDD" data-source="post: 1641120" data-attributes="member: 102774"><p>280 ackley 180 gr eld 30 Bartlien Devient action load rl 26 3026fps I left the lab radar on so batteries are dead. as I remenber es was running maybe 30 I have 50 rounds through barrel it is still gaining a little speed. the attached photo is 3 shots at 1120. Its only a 3 shot group but shows a lot of promise (its all I had left after set up}. It is a 1/2 moa rifle or better, bug hole groups at 100 are easy.</p><p></p><p> 6.5.280 ackley 147 eld rl 26 at 3060 have run some at 3150. 29" bartlien on the new american rifle co action. I noticed that the case necks on some fired cases are a little snug, the bullets don t just drop in after firing. Best described as a almost tight neck with some of the cases. I was starting to get pressure at 57.5 grs and should be able to run closer to 60. I am thinking I have neck thickness issue or case length issues. I be looking at things closer this weekend. Second photo was shot at 1000 yards 147eldm at 3150. I was fire forming at little past 1/2 way I came up .2 mills. es on that load was 25 to 30. at a 100 its shooting 3/4 to 1 moa I definitely don t have a load dialed in.</p><p></p><p></p><p>I am hoping to bring the es down and tighten up groups at 100 . New nosler 280 improved brass. loaded with redding competition neck sizer and seaters. bullets seated into the lands for forming purpose. I adjust to just kissing the lands now that I have fire formed cases. Out os rl 26 so will be looking at rl23 and h4831sc all loads thrown on a electric dispenser held to 1/10 gr.</p><p></p><p>What will have a greater impact on es .</p><p></p><p> OAL. My best groups have always come from kissing the lands, will seating deeper affect es.</p><p></p><p> I know neck tension does and try to stay around .002 to stop runout problems . Why I am considering a collet die to introduce a little crimp.</p><p></p><p></p><p></p><p>[ATTACH=full]135141[/ATTACH] [ATTACH=full]135144[/ATTACH] [ATTACH=full]135141[/ATTACH][ATTACH=full]135144[/ATTACH]</p></blockquote><p></p>
[QUOTE="JDD, post: 1641120, member: 102774"] 280 ackley 180 gr eld 30 Bartlien Devient action load rl 26 3026fps I left the lab radar on so batteries are dead. as I remenber es was running maybe 30 I have 50 rounds through barrel it is still gaining a little speed. the attached photo is 3 shots at 1120. Its only a 3 shot group but shows a lot of promise (its all I had left after set up}. It is a 1/2 moa rifle or better, bug hole groups at 100 are easy. 6.5.280 ackley 147 eld rl 26 at 3060 have run some at 3150. 29" bartlien on the new american rifle co action. I noticed that the case necks on some fired cases are a little snug, the bullets don t just drop in after firing. Best described as a almost tight neck with some of the cases. I was starting to get pressure at 57.5 grs and should be able to run closer to 60. I am thinking I have neck thickness issue or case length issues. I be looking at things closer this weekend. Second photo was shot at 1000 yards 147eldm at 3150. I was fire forming at little past 1/2 way I came up .2 mills. es on that load was 25 to 30. at a 100 its shooting 3/4 to 1 moa I definitely don t have a load dialed in. I am hoping to bring the es down and tighten up groups at 100 . New nosler 280 improved brass. loaded with redding competition neck sizer and seaters. bullets seated into the lands for forming purpose. I adjust to just kissing the lands now that I have fire formed cases. Out os rl 26 so will be looking at rl23 and h4831sc all loads thrown on a electric dispenser held to 1/10 gr. What will have a greater impact on es . OAL. My best groups have always come from kissing the lands, will seating deeper affect es. I know neck tension does and try to stay around .002 to stop runout problems . Why I am considering a collet die to introduce a little crimp. [ATTACH=full]135141[/ATTACH] [ATTACH=full]135144[/ATTACH] [ATTACH=full]135141[/ATTACH][ATTACH=full]135144[/ATTACH] [/QUOTE]
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Fine tuning loads lee factory crimp die
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