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Long Range Hunting & Shooting
Does 5R rifling increase velocity?
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<blockquote data-quote="Greyfox" data-source="post: 1275934" data-attributes="member: 10291"><p>Having owned several 308 rifles of each barrel type using similar, or even identical loads and conditions in competition. I have not seem material differences in muzzle velocity indicated by chronographing or actual drop data. I have experienced easier cleaning. While not a scientific comparison, I do feel I can put more shots down the tube(hot or cold) of the R5 between cleanings. I have gone as high as 200-250 shots before cleaning in the R5's and still did not experience a fall off in accuracy. I generally clean at 100 rounds or less though. Barrel life between the two types, when shooting hot with 10-20 round strings......a .25-.5MOA fall off in accuracy appears to be about the same. 2000-2500 rounds. My powders used over the years have been Varget, iMR4895, and R15. Bullets 168 and 175 SMK's @ 2600-2700FPS.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 1275934, member: 10291"] Having owned several 308 rifles of each barrel type using similar, or even identical loads and conditions in competition. I have not seem material differences in muzzle velocity indicated by chronographing or actual drop data. I have experienced easier cleaning. While not a scientific comparison, I do feel I can put more shots down the tube(hot or cold) of the R5 between cleanings. I have gone as high as 200-250 shots before cleaning in the R5's and still did not experience a fall off in accuracy. I generally clean at 100 rounds or less though. Barrel life between the two types, when shooting hot with 10-20 round strings......a .25-.5MOA fall off in accuracy appears to be about the same. 2000-2500 rounds. My powders used over the years have been Varget, iMR4895, and R15. Bullets 168 and 175 SMK's @ 2600-2700FPS. [/QUOTE]
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Does 5R rifling increase velocity?
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