BC for the 277 cal bullet
06-14-2009, 03:35 AM
#1
Spike
Thread Starter
Join Date: Jun 2009
Posts: 92
BC for the 277 cal bullet
Which bullet for the 270 win has the highest ballistics coeficiant. I want a hunting load but I know a lot of whitetails have been killed with sierra MK and horn AMAX, does any hunting bullets come close? Also I want to load 130 gr bullets. Thank You.
But, in reality, BC's don't mean much to most people unless they are set up to actually use them...
06-14-2009, 02:13 PM
#3
Nontypical Buck
Join Date: Feb 2003
Location: Coralville, IA. USA
Posts: 3,802
RE: BC for the 277 cal bullet
And inside 300 yards, they don't make enough difference to matter with game the size of deer.
Just for s**ts and giggles I ran the numbers for the .308 cal 168gr Matchking (BC 0.462) vs the 165gr Hornady FB SP (BC 0.387) fired at 2900fps. At 300 yards the difference is less then 1/2" and only 5 fps. At 500 yards the difference is only 3.5" and 157 fps. So unless you plan to shoot at 500 yards or more, the difference doesn't matter.
I'd suggest that you buy the best hunting bullet for your chosen game animal, and don't worry about BC unless you shoot far enough for it to matter.
Mike
Just for s**ts and giggles I ran the numbers for the .308 cal 168gr Matchking (BC 0.462) vs the 165gr Hornady FB SP (BC 0.387) fired at 2900fps. At 300 yards the difference is less then 1/2" and only 5 fps. At 500 yards the difference is only 3.5" and 157 fps. So unless you plan to shoot at 500 yards or more, the difference doesn't matter.
I'd suggest that you buy the best hunting bullet for your chosen game animal, and don't worry about BC unless you shoot far enough for it to matter.
Mike
06-14-2009, 03:49 PM
#4
Boone & Crockett
Join Date: Feb 2003
Posts: 10,679
RE: BC for the 277 cal bullet
Like has been said unless you are actually shooting beyond 500 yards it isn't going to make any real world difference at all.
But to answer your question... the published BC's for 130 grain .277" bullets are as follows from highest to lowest.
Hornady SST and Interbond - .460
Berger VLD hunting - .452
Speer BTSP - .449
Sierra Game King - .436
Nosler Accubond - .435
Barnes TSX - .431
Now keep in mind that the BC will change as velocity changes.
But to answer your question... the published BC's for 130 grain .277" bullets are as follows from highest to lowest.
Hornady SST and Interbond - .460
Berger VLD hunting - .452
Speer BTSP - .449
Sierra Game King - .436
Nosler Accubond - .435
Barnes TSX - .431
Now keep in mind that the BC will change as velocity changes.
06-15-2009, 05:16 AM
#5
Giant Nontypical
Join Date: Feb 2003
Location: Texas - BUT NOW in Madison County, NY
Posts: 6,270
RE: BC for the 277 cal bullet
I'm surprised by the Hornady figure. The Berger VLD's have a very high BC. Next would be the Sierras. The makers' websites often give this information. BC varies depending on the actual velocity, so the BC changes as the bullet slows down.
