Sulaco
Member
- Joined
- Mar 21, 2003
- Messages
- 784
I am getting a Weatherby Vanguard and putting my Nikon 4X40 on it for Whitetail deer hunting in SC. I also would like to shoot this rifle some in the off season to stay competent.
I have narrowed my selection down to either a 270 or a 308.
Here is the ballistic data for my preferred ammunition, Hornady Light Magnum SST's;
.308 Win. 150 gr. SST
Velocity (fps) / Energy (ft-lbs)
Muzzle 100yd 200yd 300yd 400yd 500yd
3000/2997 2772/2558 2555/2173 2348/1836 2151/1540 1963/1283
Trajectory (inches)
Muzzle 100yd 200yd 300yd 400yd 500yd
-1.50 1.50 0.00 -6.90 -20.00 -40.70
.270 Win. 140 gr. SST
Velocity (fps) / Energy (ft-lbs)
Muzzle 100yd 200yd 300yd 400yd 500yd
2940/2687 2750/2351 2569/2051 2394/1781 2226/1540 2065/1325
Trajectory (inches)
Muzzle 100yd 200yd 300yd 400yd 500yd
-1.50 1.60 0.00 -6.80 -19.70 -39.70
These loads are very similar and in my opinion, the 308 wins because of the cheap ammo availability.
Any opinions?
I have narrowed my selection down to either a 270 or a 308.
Here is the ballistic data for my preferred ammunition, Hornady Light Magnum SST's;
.308 Win. 150 gr. SST
Velocity (fps) / Energy (ft-lbs)
Muzzle 100yd 200yd 300yd 400yd 500yd
3000/2997 2772/2558 2555/2173 2348/1836 2151/1540 1963/1283
Trajectory (inches)
Muzzle 100yd 200yd 300yd 400yd 500yd
-1.50 1.50 0.00 -6.90 -20.00 -40.70
.270 Win. 140 gr. SST
Velocity (fps) / Energy (ft-lbs)
Muzzle 100yd 200yd 300yd 400yd 500yd
2940/2687 2750/2351 2569/2051 2394/1781 2226/1540 2065/1325
Trajectory (inches)
Muzzle 100yd 200yd 300yd 400yd 500yd
-1.50 1.60 0.00 -6.80 -19.70 -39.70
These loads are very similar and in my opinion, the 308 wins because of the cheap ammo availability.
Any opinions?