300 Blackout

Buy 300 Blackout ammo for sale at Range Ready Supply. 300 AAC Blackout was designed to run short-barreled AR-15s and suppressors on standard 5.56 magazines and bolts — swap the barrel and you get big-bore ballistics or whisper-quiet subsonic performance.

300 BLK loads

• Supersonic 110gr to 125gr for hunting and general use

• Subsonic 190gr to 220gr for suppressed shooting

• Expanding hunting ammo for hogs and whitetail inside 200 yards

• Bulk 300 Blackout range ammo

300 Blackout FAQs

Do I need a special magazine for 300 BLK? No — standard AR-15 magazines and bolt carrier groups work; only the barrel changes.

Why is 300 Blackout good for suppressors? Heavy subsonic bullets stay under the sound barrier, giving extremely quiet shots from short barrels.

Warning: never load 300 BLK into a 5.56 rifle — chambering the wrong round can destroy the firearm; always separate your magazines and boxes.

Shop in-stock 300 Blackout ammunition today.