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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Super Fast Twist Barrels for Hammer Bullets
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<blockquote data-quote="RockyMtnMT" data-source="post: 2890872" data-attributes="member: 7999"><p>We cut our bullets 5 ten thou over caliber. We are able to to this without causing pressure issues in tight bore barrels because of the PDR radius bands. Run a standard bore diameter. Other than [USER=41385]@ButterBean[/USER] not being able to get the 5k fps he wanted in his fast twist I can't say that we have seen any significant decline in velocity from faster twist. Maybe 20-30 fps for 2" faster. This is low enough to be the difference from one barrel to another regardless of twist. We have never worked with a barrel that has the kind of gain you are using or gas guns.</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 2890872, member: 7999"] We cut our bullets 5 ten thou over caliber. We are able to to this without causing pressure issues in tight bore barrels because of the PDR radius bands. Run a standard bore diameter. Other than [USER=41385]@ButterBean[/USER] not being able to get the 5k fps he wanted in his fast twist I can't say that we have seen any significant decline in velocity from faster twist. Maybe 20-30 fps for 2" faster. This is low enough to be the difference from one barrel to another regardless of twist. We have never worked with a barrel that has the kind of gain you are using or gas guns. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Super Fast Twist Barrels for Hammer Bullets
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