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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
280 ackley suggestions
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<blockquote data-quote="7magcreedmoor" data-source="post: 1022699" data-attributes="member: 48559"><p>Load development showed as close as 0.338" and the worst was 0.911" at 100 yards, with the average of ALL the load development groups coming in at 0.6278". I am using Retumbo, CCI BR2, and Nosler brass. From first shot breaking in the barrel to about 250 rounds down the pipe the velocity did increase some, and my final load spec is now 63.5gr in partial resized brass (only .002" setback) and is showing 3024 on my chrono, and grouped 2.872" at 300 yards on a very cold and windy day (I was shivering pretty badly). I do expect trajectory validation to bring that vel number down to something just at or slightly above 3000, based on my experience with my other rifles. I shot this baby out to 1045 already, but that was before the final load was settled. I had no trouble smacking a 1.5 moa target repeatedly at that distance. I use the SAV2 trigger from RifleBasix, which is pretty easy to adjust in all aspects. The brake is JP Industries, and is timed with a jam nut. Did I mention I built this myself? I did not catch if you were doing your rifle yourself or having someone build it for you. My other savage was rebarreled by EABCO and restocked by a local smith. I love them both, but this one just a "little" more...</p></blockquote><p></p>
[QUOTE="7magcreedmoor, post: 1022699, member: 48559"] Load development showed as close as 0.338" and the worst was 0.911" at 100 yards, with the average of ALL the load development groups coming in at 0.6278". I am using Retumbo, CCI BR2, and Nosler brass. From first shot breaking in the barrel to about 250 rounds down the pipe the velocity did increase some, and my final load spec is now 63.5gr in partial resized brass (only .002" setback) and is showing 3024 on my chrono, and grouped 2.872" at 300 yards on a very cold and windy day (I was shivering pretty badly). I do expect trajectory validation to bring that vel number down to something just at or slightly above 3000, based on my experience with my other rifles. I shot this baby out to 1045 already, but that was before the final load was settled. I had no trouble smacking a 1.5 moa target repeatedly at that distance. I use the SAV2 trigger from RifleBasix, which is pretty easy to adjust in all aspects. The brake is JP Industries, and is timed with a jam nut. Did I mention I built this myself? I did not catch if you were doing your rifle yourself or having someone build it for you. My other savage was rebarreled by EABCO and restocked by a local smith. I love them both, but this one just a "little" more... [/QUOTE]
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