20 Rounds of .300 AAC Blackout Ammo by ADI World Class - 125gr HP MatchKing

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Ammo Overview

Ammo Quantity - 20 rounds per box
Ammo Manufacturer - ADI World Class
Projectiles - 125 grain hollow point (HP) MatchKing
Ammo Casings - Boxer-primed brass
Muzzle Velocity - 2,132 fps
Muzzle Energy - 1,262 ft lbs


The 300 AAC Blackout wears many hats at the range. When you want to shoot a whole lot, go steel-cased. When you want to go quiet, go subsonic. But when you want to group insanely close holes through your target, go ADI World Class.

This Australian-made cartridge features Sierra’s 125 grain MatchKing. The hollow point bullet isn’t actually designed to expand inside a threat or game; rather, its opening indicates that its core was inserted into its jacket while it was still molten so it could solidify in place. The MatchKing’s core is form-fitting as the result, which alongside its essentially perfect jacket concentricity and standardized weight enhances its in-flight stability tremendously. This particular MatchKing has a flat base for even greater accuracy out of a 300 Blackout rifle.

ADI World Class specifically formulated this round’s propellant to promote optimal functionality in a 300 Blackout rifle. Its primer and case are both match-grade, the latter of which is heat-treated so its brass can expand to cleanly seal the chamber during ignition.

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