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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Muzzle crown angles?
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<blockquote data-quote="BallisticsGuy" data-source="post: 1964895" data-attributes="member: 96226"><p>I've been setting my crown angles based on the boat tail angle of the projectile for a few years. A gun I'll shoot just flat base bullets from gets a 4deg crown that's recessed .060, a 7deg boat tail gets a 11deg crown, a 9deg boat tail gets a 13 deg crown. It started out as an experiment and still is one but data gathering is only as fast as I go through barrels.</p></blockquote><p></p>
[QUOTE="BallisticsGuy, post: 1964895, member: 96226"] I've been setting my crown angles based on the boat tail angle of the projectile for a few years. A gun I'll shoot just flat base bullets from gets a 4deg crown that's recessed .060, a 7deg boat tail gets a 11deg crown, a 9deg boat tail gets a 13 deg crown. It started out as an experiment and still is one but data gathering is only as fast as I go through barrels. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Muzzle crown angles?
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