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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hammer Bullets -Do they Work Better with More or Less Rifling Grooves??
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<blockquote data-quote="Veteran" data-source="post: 2409811" data-attributes="member: 118038"><p>I am working on an AR10 platform build with the help of another Forum member here. </p><p></p><p>I want a 24 inch accuracy conscious barrel for this .308 build. I'm addicted to tight groups better than 1 MOA even for semi auto.</p><p></p><p>Up for consideration are either a Lilja bbl. 24 inch with 3 grooves or 3 lands of rifling in 1 to 11 twist or a Bartlein 24 inch with 5 R rifling or 5 grooves or lands with 1 to 10 twist.</p><p></p><p>I will likely use this platform on hogs and coyotes, and may use hammer bullets. I'm thinking 150-160 gr. bullets and below. But occasionally maybe 175 to 180s.</p><p></p><p>Do hammer bullets with their low engraving profile prefer more or less rifling grooves? One side of me says 5 sets will help stabilize them better than 3 but I have no experience with them, and just don't know the technical answer.</p><p></p><p>Which barrel would you get and why? I will have either fluted, and mount a muzzle brake on it. </p><p></p><p>Its all a DPMS pattern.</p><p></p><p>Opinions? Facts? Experience or actual data?</p></blockquote><p></p>
[QUOTE="Veteran, post: 2409811, member: 118038"] I am working on an AR10 platform build with the help of another Forum member here. I want a 24 inch accuracy conscious barrel for this .308 build. I'm addicted to tight groups better than 1 MOA even for semi auto. Up for consideration are either a Lilja bbl. 24 inch with 3 grooves or 3 lands of rifling in 1 to 11 twist or a Bartlein 24 inch with 5 R rifling or 5 grooves or lands with 1 to 10 twist. I will likely use this platform on hogs and coyotes, and may use hammer bullets. I'm thinking 150-160 gr. bullets and below. But occasionally maybe 175 to 180s. Do hammer bullets with their low engraving profile prefer more or less rifling grooves? One side of me says 5 sets will help stabilize them better than 3 but I have no experience with them, and just don't know the technical answer. Which barrel would you get and why? I will have either fluted, and mount a muzzle brake on it. Its all a DPMS pattern. Opinions? Facts? Experience or actual data? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hammer Bullets -Do they Work Better with More or Less Rifling Grooves??
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