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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
A .270 possible for a 1k target gun?
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<blockquote data-quote="DREBS" data-source="post: 764357" data-attributes="member: 61655"><p>I shoot my wood 1988 stock factory Remington 270 800 yards and hit a steel plate thats 1 foot round everytime loaded with 140 gr. bergers.... That being said it is not an ideal long range gun... It's Ballistic CO efficient .... the most important thing with selecting a caliber for long range shooting and refers to how well the bullet fight's air resistance which is huge at long ranges due to wind and the general air resistence .... is not up to par with those of the .308.. or 6.5 caliber bullets.. The Ballistic coefficient is listed next to any bullet on their website and vary's bullet to bullet based on brand and weight THE HIGHER THE BETTER. All this being said to equal a .308 in a 180 grain bullet (the higher the grain the higher the B.C in caliber) you would have to shoot a 150 gr. 270 which requires a 1 in 9 twist this means the bullet spins 1 time every 9 inches ... 270 come from the factory at a 1 in 10 twist (which is the rifleing how much it spins in the barrel.. you have to have faster twist to stabilize heavier bullets) a 1 in 8 twist is faster than a 1 in 15 twist it's backwards so in laymans terms unless you are gettin a custom barrel made with a 1 in 9 twist go with the .308... if you wanted to take another step up the 6.5 x 284 norma which im shooting 1000 yards right now is the best of all worlds.. its a necked down 7mm mag to a 6.5 neck and it has mild recoil about on par with a 270.. so i would list them (since you don't want magnums)</p><p></p><p>1. 280 Remington <strong>.604</strong> BC 168 gr. Berger </p><p>2. 6.5 x 284 norma .<strong>612</strong> BC 140 gr. Berger VLD ( the reason i put it behind 1 is its only factory made by savage to my knowledge and ive had all kinds of issues with this gun)</p><p>3. 308 <strong>.549</strong> BC 185 gr Berger VLD</p><p>4. 270 .<strong>487 </strong>BC 140 gr berger</p><p></p><p>All this being said remember that i shoot my 270 800 yards but if you want more reliability in wind and at greater distance this would be my lists</p></blockquote><p></p>
[QUOTE="DREBS, post: 764357, member: 61655"] I shoot my wood 1988 stock factory Remington 270 800 yards and hit a steel plate thats 1 foot round everytime loaded with 140 gr. bergers.... That being said it is not an ideal long range gun... It's Ballistic CO efficient .... the most important thing with selecting a caliber for long range shooting and refers to how well the bullet fight's air resistance which is huge at long ranges due to wind and the general air resistence .... is not up to par with those of the .308.. or 6.5 caliber bullets.. The Ballistic coefficient is listed next to any bullet on their website and vary's bullet to bullet based on brand and weight THE HIGHER THE BETTER. All this being said to equal a .308 in a 180 grain bullet (the higher the grain the higher the B.C in caliber) you would have to shoot a 150 gr. 270 which requires a 1 in 9 twist this means the bullet spins 1 time every 9 inches ... 270 come from the factory at a 1 in 10 twist (which is the rifleing how much it spins in the barrel.. you have to have faster twist to stabilize heavier bullets) a 1 in 8 twist is faster than a 1 in 15 twist it's backwards so in laymans terms unless you are gettin a custom barrel made with a 1 in 9 twist go with the .308... if you wanted to take another step up the 6.5 x 284 norma which im shooting 1000 yards right now is the best of all worlds.. its a necked down 7mm mag to a 6.5 neck and it has mild recoil about on par with a 270.. so i would list them (since you don't want magnums) 1. 280 Remington [B].604[/B] BC 168 gr. Berger 2. 6.5 x 284 norma .[B]612[/B] BC 140 gr. Berger VLD ( the reason i put it behind 1 is its only factory made by savage to my knowledge and ive had all kinds of issues with this gun) 3. 308 [B].549[/B] BC 185 gr Berger VLD 4. 270 .[B]487 [/B]BC 140 gr berger All this being said remember that i shoot my 270 800 yards but if you want more reliability in wind and at greater distance this would be my lists [/QUOTE]
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A .270 possible for a 1k target gun?
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