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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.308 win .299 or .300 Bore
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<blockquote data-quote="308boltgun" data-source="post: 829262" data-attributes="member: 69699"><p>The only time I have ever used .299 bore is for a Palma rifle. The 155 grain palma bullet has a very short bearing surface. By making the bore smaller it stabilizes the bullet better. For 168s and up, the standard .300 bore is normally used. Using a .299 bore with factory ammo could generate higher than normal pressure. The palma barrels also have a reduced major diameter of .307 or .3075 instead of .308.</p><p></p><p>Based on your desire to shoot 175s and 185s I would recommend going with the standard .300</p></blockquote><p></p>
[QUOTE="308boltgun, post: 829262, member: 69699"] The only time I have ever used .299 bore is for a Palma rifle. The 155 grain palma bullet has a very short bearing surface. By making the bore smaller it stabilizes the bullet better. For 168s and up, the standard .300 bore is normally used. Using a .299 bore with factory ammo could generate higher than normal pressure. The palma barrels also have a reduced major diameter of .307 or .3075 instead of .308. Based on your desire to shoot 175s and 185s I would recommend going with the standard .300 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.308 win .299 or .300 Bore
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