Sellier & Bellot eXergy Blue .300 Blackout ammunition (part no. SB300BLKXA) loads a 110-grain Polymer-Tip Copper bullet, built for hunting. The polymer tip drives expansion at all ranges while the monolithic copper core resists fragmenting, maximizing weight retention for penetration. The brass case is built for reliable extraction and consistent ignition, box after box. It is a natural fit for hunters who need dependable expansion on the shot that ends the season, sold here as rifle ammunition built to consistent specs.

Key Specifications

• The chambering is .300 Blackout, so double-check it against your firearm’s barrel markings before ordering.
• The bullet weighs 110 grains, a weight that drives trajectory, recoil, and terminal energy downrange.
• The bullet is a Polymer-Tip Copper, a projectile built to expand rather than pass through.
• The monolithic copper core will not fragment, so it holds a straight path to the vitals on quartering shots.
• The case is Brass, which extracts and ejects cleanly, round after round.
• Brass cases can be resized, reprimed, and reloaded, stretching the cost of practice ammunition over multiple firings for handloaders.
• Muzzle velocity runs 2215 fps, driving flat trajectory and terminal energy.
• Each box holds 20 rounds, the count you are ordering on this page.
• The box ships at 0.68 lbs.

Frequently Asked Questions

Is the Polymer-Tip Copper bullet designed to expand? Yes, this bullet style is engineered to open reliably on impact, increasing the wound channel compared to a non-expanding bullet of the same weight.

What is this .300 Blackout load best suited for? It is built for hunters who need dependable expansion on the shot that ends the season.

Buy the Sellier & Bellot eXergy Blue .300 Blackout 110gr Polymer-Tip Copper Ammunition, 20-Round Box

Sellier & Bellot built this load with a specific job in mind, and the specs above are what you are actually loading into the gun. Whether it is headed for hunters who need dependable expansion on the shot that ends the season, it earns a place in the range bag or the truck box. Order from our Lubbock, Texas gun shop and it ships fast to your door.