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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
DPMS .260 first 3 loads
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<blockquote data-quote="LouBoyd" data-source="post: 878932" data-attributes="member: 9253"><p>There's something odd here. I also have a DPMS LR-260. Since some time ago when I worked up loads for it I've considered the 140 Berger to be too long to be practical to use in that cartridge and rifle combination. </p><p></p><p>I checked further and see that Berger advertises two 140 grain 6.5mm VLD bullets, the 26401 for target, and the 26504 for hunting. Both have the same BC's and length. I don't know if they differ or it's just marketing. I just ran a Quickload simulation with 46 grains of H4831SC which indicates (from the given information) that a seating depth under 2.9" will be over SAAMI max pressure. 2.9" won't fit the DPMS magazine.</p><p></p><p>My memory is that I didn't use that bullet because it's shank-boattail junction would be inside the neck shoulder junction when seated to a depth which would fit the DPMS magazine. I do use the 26401 bullet with good results with other cartridges and rifles which don't have a magazine or throat limitation. </p><p></p><p>I'm only saying I wouldn't use that load in my LR-260 without further investigation.</p></blockquote><p></p>
[QUOTE="LouBoyd, post: 878932, member: 9253"] There's something odd here. I also have a DPMS LR-260. Since some time ago when I worked up loads for it I've considered the 140 Berger to be too long to be practical to use in that cartridge and rifle combination. I checked further and see that Berger advertises two 140 grain 6.5mm VLD bullets, the 26401 for target, and the 26504 for hunting. Both have the same BC's and length. I don't know if they differ or it's just marketing. I just ran a Quickload simulation with 46 grains of H4831SC which indicates (from the given information) that a seating depth under 2.9" will be over SAAMI max pressure. 2.9" won't fit the DPMS magazine. My memory is that I didn't use that bullet because it's shank-boattail junction would be inside the neck shoulder junction when seated to a depth which would fit the DPMS magazine. I do use the 26401 bullet with good results with other cartridges and rifles which don't have a magazine or throat limitation. I'm only saying I wouldn't use that load in my LR-260 without further investigation. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
DPMS .260 first 3 loads
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