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Varmint Hunting
High velocities with 6mm target bullets for varmints.
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<blockquote data-quote="CubCouper" data-source="post: 2747315" data-attributes="member: 68185"><p>I grew up shooting 6's (a 244 and a 6mm Rem) and I've been an ardent BR competitor/'smith for many years... the key is the twist rate. </p><p></p><p>Twist 13-15 <70gr bullets</p><p>Twist 11-13 <90gr bullets</p><p>Twist 9-10 up to 100gr</p><p>Twist <9 up to 110.</p><p>Of course the case capacity needs to be there make it work. A 8 twist 243 will drive a 110gr, where an 8 twist 6BR just doesn't quite have enough room in the boiler.</p><p></p><p></p><p>Most PPC shooters are running twist rates of 13.5 to 14.25 to get max accuracy out of the 63-68gr BR target bullets. Every so often a BR competitor tries a 12 twist PPC or 6BR in an attempt to run 70-90gr bullets in strong wind but the results just don't out-compete the slower twist PPCs with the light bullets.</p><p></p><p>My Dad's old .244 had the original 12 twist Remington barrel and shoots 87gr class bullets like a laser. It's always been partial to the old Hornady 87 BTHP Match bullets and has killed coyotes, deer, antelope, and several elk over 70+ years. But it won't shoot a 100gr bullet. My first rifle (50+years ago) was a 6mm Rem with the faster (9.75?) twist and it never quite shot as well as the 244, but it would shoot the 100gr pills. </p><p></p><p>After dabbling in Long Range Benchrest (600/1000) competition, I landed on running a couple 8 twist 6mm Dasher variants for my long range 6's for varmints and mid-sized game. They'll push the 105-107 class Bergers and Sierras at 3100 on about 2/3 the powder of the 243/6mmRem and shoot consistently less than 1/4-1/2MOA (1.5-3") at 600 yards off a good rest.</p></blockquote><p></p>
[QUOTE="CubCouper, post: 2747315, member: 68185"] I grew up shooting 6's (a 244 and a 6mm Rem) and I've been an ardent BR competitor/'smith for many years... the key is the twist rate. Twist 13-15 <70gr bullets Twist 11-13 <90gr bullets Twist 9-10 up to 100gr Twist <9 up to 110. Of course the case capacity needs to be there make it work. A 8 twist 243 will drive a 110gr, where an 8 twist 6BR just doesn't quite have enough room in the boiler. Most PPC shooters are running twist rates of 13.5 to 14.25 to get max accuracy out of the 63-68gr BR target bullets. Every so often a BR competitor tries a 12 twist PPC or 6BR in an attempt to run 70-90gr bullets in strong wind but the results just don't out-compete the slower twist PPCs with the light bullets. My Dad's old .244 had the original 12 twist Remington barrel and shoots 87gr class bullets like a laser. It's always been partial to the old Hornady 87 BTHP Match bullets and has killed coyotes, deer, antelope, and several elk over 70+ years. But it won't shoot a 100gr bullet. My first rifle (50+years ago) was a 6mm Rem with the faster (9.75?) twist and it never quite shot as well as the 244, but it would shoot the 100gr pills. After dabbling in Long Range Benchrest (600/1000) competition, I landed on running a couple 8 twist 6mm Dasher variants for my long range 6's for varmints and mid-sized game. They'll push the 105-107 class Bergers and Sierras at 3100 on about 2/3 the powder of the 243/6mmRem and shoot consistently less than 1/4-1/2MOA (1.5-3") at 600 yards off a good rest. [/QUOTE]
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Varmint Hunting
High velocities with 6mm target bullets for varmints.
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