Weatherby 30-378 Weatherby Magnum 180gr Barnes TTSX ammunition comes in a 20-round box (Weatherby part no. B303180TTSX) loaded for hunters shooting rifles chambered in 30-378 Weatherby Magnum. Weatherby lists this 180-grain load at 3325 fps and 4419 ft-lbs of muzzle energy, with a G1 ballistic coefficient of .484. The projectile is Weatherby’s Barnes TTSX bullet at 180 grains, and Weatherby lists the load as lead free. It is a straightforward choice when you want factory ammunition built around the Barnes TTSX rather than a handload.

Key Specifications

• Chambering is 30-378 Weatherby Magnum, the designation Weatherby lists for this load and the cartridge your rifle needs to be chambered for.
• Bullet weight is 180 grains, the weight Weatherby lists for this Barnes TTSX load.
• The bullet is the Barnes TTSX, the projectile Weatherby chose for this 30-378 Weatherby Magnum load.
• Each box holds 20 rounds, the full count that comes with this listing.
• Muzzle velocity is listed at 3325 fps, the starting point of Weatherby’s velocity table out to 500 yards.
• Muzzle energy is listed at 4419 ft-lbs, the figure Weatherby gives before the bullet starts shedding energy downrange.
• The G1 ballistic coefficient is .484, a measure of how well the bullet holds its velocity against drag.
• Weatherby lists this load as lead free, so the bullet is made without lead.
• Bullet diameter is .308-inch (7.8mm), the bore size this bullet is made for.

Frequently Asked Questions

Is this load lead free? Yes. Weatherby lists this load as lead free.

What bullet does this 30-378 Weatherby Magnum load use? It uses a 180-grain Barnes TTSX bullet. Weatherby lists the bullet by name and weight for this load.

How many rounds are in the box? Each box holds 20 rounds of 30-378 Weatherby Magnum ammunition.

Buy the Weatherby 30-378 Weatherby Magnum 180gr Barnes TTSX Rifle Ammunition, 20-Round Box

Order your 30-378 Weatherby Magnum ammunition from Weatherby through our Lubbock, Texas gun shop for fast shipping direct to your door, and browse more ammunition while you are here.