300 Blackout Ammo

One of the most popular alternative chamberings for the AR-15 platform, .300 AAC Blackout ammo is easily distinguished by its relatively small case and huge bullet. This somewhat odd-looking cartridge fulfills a number of niches better than the default .223/5.56 caliber with better close-range performance and excellent potential in suppressed firearms.

.300 Blackout ammunition comes in two distinct flavors: subsonic and supersonic. Supersonic loads typically fire a light 90-130 grain bullet at a muzzle velocity of around 2,200 feet per second with ballistics comparable to those of the Russian 7.62x39mm. Subsonic ammo, on the other hand, fires a much heavier bullet in the 220 grain range with a muzzle velocity of around 1,000 feet per second to avoid the sonic "crack" that partially negates the advantages of a suppressor.

The .300 AAC has been embraced for a wide variety of purposes, with hunting, match, and defense loads available from most manufacturers including Nosler, Federal, and Corbon. Notable adaptations of the round include Remington's Hog Hammer series featuring Barnes TSX copper bullets as well as Hornady's Zombie-Max hollow point series for those prepping for the undead apocalypse - you can find a wide variety at cheap prices for sale here at Widener's.

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  1. Magtech Subsonic 300 AAC Blackout 200 Grain FMJ – 50 Rounds


    In stock

    Manufacturer Magtech
    Condition New
    Bullet Weight 200 Grain
    Bullet Type Full Metal Jacket (FMJ)
    Use Type plinking at the range
    Casing Type Brass
    Quantity 50
    Ammo Caliber 300 AAC Blackout
    Manufacturer SKU 300BLKSUBA
    Primer Type Boxer
    Magnetic No
    UPC Barcode 754908210510
    Cost Per Round 79.7¢ per round

    This 300 AAC Blackout cartridge by Magtech, the commercial brand of ammo manufacturing industry colossus Companhia Brasileira de Cartuchos, features a muzzle velocity of only 1,050 fps. While that may sound like it’s underpowered, its low speed is actually its key feature -- because it’s too slow to break the sound barrier, this round won’t issue a cracking report when it is fired, and as such has a variety of practical applications. Subsonic ammo is phenomenal for training young shooters, as it teaches them not to instinctively flinch when they pull the trigger. It’s the best for training around sensitive neighbors and family members, and when utilized in conjunction with a silencer it’s an absolute blast to shoot. Turning the big bang rifle into something that goes “fwwt fwwt fwwt” is something every shooter ought to experience, even if only once.

    This round’s 200 grain projectile sports a full metal jacket, so it’ll save your rifle’s bore from unduly fast lead fouling. Its select brass casing is ideal for handloading, its primer is sensitive and consistent, and its propellant burns clean for a bright and shiny action. If you like these 50 rounds (and you will), look on our site for our great deal on 500 of them, too!

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