30-30 ammo is the best combination of size, portability, and accuracy. This ammo is more powerful and faster than other alternatives but less than 30-06 ammo, which enables it to fire heavier bullets at a higher muzzle capacity than 30-30 ammo. Talking about the speed of 30-30 bulk ammo, 150 and 170 grains travel through the velocity 2,390 and 2,200, respectively.