300 Blackout Ammo For Sale — Shop .300 BLK Online

Blackout Ammo Shop stocks the most complete selection of 300 Blackout ammo available online. From 125gr supersonic hunting loads to 220gr subsonic match rounds, we carry every major load type from the best brands in the business.

Why Choose 300 Blackout Ammo?

The .300 AAC Blackout is the most versatile suppressed cartridge for AR-15 platforms. Originally developed by Advanced Armament Corporation and Remington Defense, it delivers reliable subsonic and supersonic performance without changing your AR-15 upper — only the barrel needs to swap.

300 Blackout Ammo Categories

300 Blackout Subsonic Ammo

Subsonic 300 BLK loads keep projectile velocity below 1,100 fps, enabling extremely quiet suppressed shooting. Our top subsonic loads include the Gorilla 220gr Sierra MatchKing and Gorilla 205gr Punisher Expanding — ideal for suppressed hog hunting and home defense.

300 Blackout Supersonic Ammo

Supersonic loads push the 300 BLK to its full potential — delivering reliable terminal performance on deer, hogs, and varmints at ranges up to 150–200 yards. The Gorilla 125gr Sierra MatchKing and Gorilla 110gr Hornady V-Max are proven favorites.

300 Blackout Hunting Ammo

For ethical kills on deer and hogs, choose expanding projectiles like the Gorilla 115gr Punisher Fracturing or Gorilla 110gr Varminter Hollow Point. Keep shots inside 150 yards for best terminal performance.

Bulk 300 Blackout Ammo

Stock up and save with our 500-round and bucket packages. Our bulk 300 BLK options are the best value for high-volume shooters and trainers.

Best 300 Blackout Ammo — Our Top Picks

Use Case Load Why It Wins
Subsonic Precision Gorilla 220gr Sierra MatchKing Match-grade consistency, suppressor-optimized
Subsonic Hunting Gorilla 205gr Punisher Expanding Maximum terminal expansion at subsonic velocity
Home Defense Gorilla 115gr Punisher Fracturing Controlled fragmentation, reduced over-penetration
Deer Hunting Gorilla 125gr Sierra MatchKing Flat-shooting, accurate to 150 yards
Hog Hunting Suppressed Gorilla 205gr Punisher Subsonic Quiet operation, devastating expansion on hogs

300 Blackout vs 5.56 — Should You Switch?

If you shoot suppressed, run a home defense AR-15, or hunt hogs at night, the 300 Blackout offers significant advantages over 5.56 NATO. It runs the same platform and magazines but delivers far superior suppressed performance.

Frequently Asked Questions — 300 Blackout Ammo

What is the best 300 Blackout subsonic ammo for hunting?

The Gorilla 205gr Punisher Expanding Subsonic is our top pick for subsonic hunting — it delivers reliable expansion even at the reduced velocities of subsonic loads, making it effective on hogs and deer inside 100 yards.

Is 300 Blackout ammo expensive?

It is more expensive than 5.56, typically $1.50–$2.50 per round for quality factory loads. Buying in bulk from Blackout Ammo Shop provides the best per-round pricing available.

What mags work with 300 Blackout?

Standard 5.56/.223 STANAG magazines work with 300 Blackout. No modification required.