300 AAC Blackout (7.62x35mm) – Ultimate Guide for Shooters

The 300 AAC Blackout (7.62x35mm) delivers unmatched versatility for hunters, tactical shooters, and firearm enthusiasts. Whether you need subsonic performance for suppressed shooting or supersonic power for medium-range hunting, this cartridge excels in every scenario.

Why Choose 300 AAC Blackout?

  • Suppressor-Friendly – Optimized for subsonic loads, reducing noise with minimal recoil.

  • AR-15 Compatibility – Works with standard AR-15 lowers, only requiring a barrel change.

  • Superior Stopping Power – Heavy-hitting performance in close to mid-range engagements.

  • Flexible Ammo Options – Switch between subsonic and supersonic rounds effortlessly.

Best 300 Blackout Firearms & Accessories

Check out top-rated rifles, uppers, and ammo from leading manufacturers:

300 BLK Ammo: Subsonic vs. Supersonic

  • Subsonic (190-220gr) – Ideal for suppressed shooting (e.g., Hornady Sub-X).

  • Supersonic (110-125gr) – Maximizes velocity for hunting (e.g., Barnes VOR-TX).

Suppressors & Muzzle Devices

Enhance your 300 Blackout setup with:

Build Your Own 300 AAC Blackout AR

  • Barrel: 8-10.5″ for CQB, 16″ for hunting.

  • Bolt Carrier Group: Standard AR-15 BCG works.

  • Magazines: Use dedicated 300 BLK mags (e.g., Lancer L5AWM).

Where to Buy 300 Blackout Guns & Ammo

Find the best deals on rifles, ammo, and parts at Black Hills Shooters Supply.

Upgrade your arsenal today—experience the power and flexibility of the 300 AAC Blackout!

Atomic Ammunition 300 AAC Blackout Subsonic 260 Grain Expanding Round Nose Soft Point Box of 20

$34.00
Atomic Ammunition’s 300 AAC Blackout ammunition is loaded with ATOMIC Ammunition’s proprietary 260 grain round nose soft point SUBSONIC hunting

Barnes Ammunition 300 AAC Blackout 120 Grain Hollow Point Flat Base Box of 20

$33.00
This Barnes Ammunition features a jacketed hollow point bullet engineered for accuracy, plus optimum safety on steel targets and devastating

Barnes Ammunition 300 AAC Blackout 120 Grain Hollow Point Flat Base Box of 20

$33.00
This Barnes Ammunition features a jacketed hollow point bullet engineered for accuracy, plus optimum safety on steel targets and devastating

Barnes Precision Match Ammunition 300 AAC Blackout 125 Grain Open Tip Match Box of 20

$42.00
Barnes Precision Match ammunition, engineered for precision at extreme distances, features exceptionally low standard deviations and extreme variations due to

Barnes VOR-TX Ammunition 300 AAC Blackout 110 Grain TAC-TX Polymer Tipped Spitzer Flat Base Lead-Free Box of 20

$45.00
Barnes bullets have historically had the reputation of offering quick, clean and humane kills. Now they are taking their highly

Barnes VOR-TX Ammunition 300 AAC Blackout 120 Grain TAC-TX Polymer Tipped Spitzer Boat Tail Lead-Free Box of 20

$42.00
Barnes bullets have historically had the reputation of offering quick, clean and humane kills. Now they are taking their highly

Federal Fusion MSR Ammunition 300 AAC Blackout 150 Grain Bonded Spitzer Boat Tail Box of 20

$44.00
Federal Fusion MSR Ammunition is specifically designed for the most versatile class of firearms in history, the Modern Sporting Rifle.

Federal Power-Shok Ammunition 300 AAC Blackout 120 Grain Copper Hollow Point Lead-Free Box of 20

$37.00
Features • Copper-alloy construction • Hollow-point design expands consistently • Accurate, reliable performance • Large wound channels and efficient energy

Fiocchi Exacta Ammunition 300 AAC Blackout Subsonic 220 Grain Sierra MatchKing Hollow Point Boat Tail

$109.00
Fiocchi Exacta ammunition utilizes match components making it perfect for serious practice or competition. Used primarily in small bore competitions,

Hornady American Gunner Ammunition 300 AAC Blackout 125 Grain Hollow Point Boat Tail Box of 50

$98.00
The American Gunner line of ammunition is a collection of tried-and-true, versatile loads that are popular with shooters for their

Hornady BLACK Ammunition 300 AAC Blackout 110 Grain V-MAX Box of 20

$37.00
Hornady BLACK ammunition features versatile loads optimized for excellent performance from America’s favorite guns. Loaded with legendary Hornady bullets, Hornady

Hornady BLACK Ammunition 300 AAC Blackout Subsonic 208 Grain A-MAX Box of 20

$41.00
Hornady BLACK ammunition features versatile loads optimized for excellent performance from America’s favorite guns. Loaded with legendary Hornady bullets, Hornady