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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New Build: 6mm Rem vs. 243 Win
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<blockquote data-quote="Trickymissfit" data-source="post: 521246" data-attributes="member: 25383"><p>I shoot 105 grain Hornaday Amax bullets with a 1:8 barrel. Never shot any 115's so have no idea what you need for them. I like the 6mm Remington, but case capacity between the .243 and the 6mm are not that far apart in the real world. But the 6mm has a much longer neck length, and will handle those 105's easier. Barrel life with the 6mm is much longer if you plan on doing a lot of shooting with it. Of course you could achive the best of both worlds by reaming the chamber with a 6mmAI reamer and headspacing it off a .243AI gauge. This would give you a 6BG with a 40 degree shoulder angle. (well a little bigger I know) An even better round. (the 6BG uses a 30 degree shoulder and head spaces off a .300 Savage gauge). Ackley said that the 6mm remington was about the max case capacity for the bore size without going into overbore, so the 6mmAI is going to be slightly overbore (best used with 85+ grain bullets). The main advantage of the 6BG is that cases can be formed from generic .243 brass; where the others will need 6mm brass. The "BG" is sorta like a 6BR with a case shoulder deminsion .28" longer. Shoots the 107 Sierras at a tick under 3000fps. A Barrel should last a long long time with it</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 521246, member: 25383"] I shoot 105 grain Hornaday Amax bullets with a 1:8 barrel. Never shot any 115's so have no idea what you need for them. I like the 6mm Remington, but case capacity between the .243 and the 6mm are not that far apart in the real world. But the 6mm has a much longer neck length, and will handle those 105's easier. Barrel life with the 6mm is much longer if you plan on doing a lot of shooting with it. Of course you could achive the best of both worlds by reaming the chamber with a 6mmAI reamer and headspacing it off a .243AI gauge. This would give you a 6BG with a 40 degree shoulder angle. (well a little bigger I know) An even better round. (the 6BG uses a 30 degree shoulder and head spaces off a .300 Savage gauge). Ackley said that the 6mm remington was about the max case capacity for the bore size without going into overbore, so the 6mmAI is going to be slightly overbore (best used with 85+ grain bullets). The main advantage of the 6BG is that cases can be formed from generic .243 brass; where the others will need 6mm brass. The "BG" is sorta like a 6BR with a case shoulder deminsion .28" longer. Shoots the 107 Sierras at a tick under 3000fps. A Barrel should last a long long time with it gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New Build: 6mm Rem vs. 243 Win
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