The Barnes TSX .577 Nitro Express 750gr Bullets (Barnes part no. 30712) are built for handloaders working with big-bore dangerous game rifles. Barnes machines every Triple-Shock X-Bullet from 100 percent copper, designed to expand into four razor-sharp petals on impact while retaining essentially all of the bullet’s original weight for deep penetration through dense bone and tissue. Each box holds 20 bullets, sized for the deliberate pace of big-bore reloading.

Key Specifications

• .577 Nitro Express / .583-inch bore diameter fits big-bore double rifles chambered for this cartridge.
• 750-grain bullet weight is built for the deep penetration dangerous game hunting demands.
• All-copper construction retains 100 percent of the bullet’s original weight on impact.
• Four-petal expansion design produces deep-cutting terminal performance for a one-shot kill.
• Flat base profile suits the straight-line trajectories typical of big-bore double rifle hunting.
• 20 bullets per box matches the deliberate reloading pace of big-bore dangerous game ammunition.

Frequently Asked Questions

What is this bullet built for? It is built for dangerous game hunting in .577 Nitro Express double rifles, where deep penetration through bone and tissue is critical.

Does this bullet retain its weight on impact? Yes. Barnes states the TSX is designed to retain 100 percent of its original weight while still expanding into four petals.

How many bullets are in a box? Each box contains 20 bullets.

Buy the Barnes TSX .577 Nitro Express 750gr Bullets

Prepare for the next dangerous game hunt. Order the reloading supplies from our Lubbock, Texas gun shop and build big-bore handloads you can trust.