STOMP442 Report post Posted October 21, 2014 Better check your facts on Nosler before you pick a bullet based on BC numbers. The standard 140 accubond has an actual BC closer to .465 vs the advertised .496. The accubond long range is even worse. The litz measured BC is .543 vs .625 advertised. If you are using noslers numbers for calculations of energy your going to be a ways off. The best bullet going for the 270 in my opinion is the berger 130 classic hunter. With its hybrid design it boasts an actual BC of .497 which is higher than the 140 vld and only .031 lower than the 150 vld plus it can be driven much faster than the heavier bullets. Using standard conditions this bullet will maintain 1000ft lbs of energy out to 665 yards at a muzzle velocity of 3000fps Share this post Link to post Share on other sites
Zeke-BE Report post Posted October 21, 2014 Better check your facts on Nosler before you pick a bullet based on BC numbers. The standard 140 accubond has an actual BC closer to .465 vs the advertised .496. The accubond long range is even worse. The litz measured BC is .543 vs .625 advertised. If you are using noslers numbers for calculations of energy your going to be a ways off. The best bullet going for the 270 in my opinion is the berger 130 classic hunter. With its hybrid design it boasts an actual BC of .497 which is higher than the 140 vld and only .031 lower than the 150 vld plus it can be driven much faster than the heavier bullets. Using standard conditions this bullet will maintain 1000ft lbs of energy out to 665 yards at a muzzle velocity of 3000fps Stomp 442 I'm only quoting from what I have read and off the Nosler site. I know I'm Butchering my own thread here but how does one know that? Are there other 3 rd parties doing the measures? Or are we able to do the measures of the B.C. Ourselves? I never really messed with much of that other than reading it in a book. Share this post Link to post Share on other sites
STOMP442 Report post Posted October 22, 2014 Yes there are books out there. Applied ballistics for long range shooting by bryan litz is an outstanding resource with tons of useful information. Bryan is also a member over on longrangehunting.com and has posted data sheets on numerous bullets he has tested including the new Nosler accubond long range. He has a very in depth and scientific approach to measuring BC and he does so over long range by pulling the trigger himself. I highly recommend the book just for the accurate bullet data alone. There have also been various articles written about over inflated BCs in publications like varmint hunter magazine where the air force academy has tested numerous bullets as well with similar results. To summarize Nosler bullets are the most over estimated of all major manufacturers as they prefer computer calculations and extreme velocities to determine their bc. The new Nosler long range bullets are very good and a definite improvement over the standard but you can't trust what is written on the box or online. 1 Share this post Link to post Share on other sites
Zeke-BE Report post Posted November 7, 2014 Thanks for all the help and advice. I finally got my gun dialed in after many many rounds. The w760 was the powder that got me the speed. But at 3060 fps I was doing a 1-1/4" grouping at 100 yards. Not very good. I took a grain off and dropped me to 3000 fps and hitting one inch groupings at 200 yards. Sighted it in for 300 yard and was smacking center of the 300 yard plate. Took it out to 500 hundred yards and adjusted the Moa and hit the plate and got that gong!! Share this post Link to post Share on other sites
