Description
Fiocchi builds this subsonic 300 Blackout load with precision components to deliver superior accuracy at reduced noise levels. Each cartridge features reloadable brass cases, non-corrosive Boxer primers, and clean-burning powder to ensure reliable cycling and smooth operation in both suppressed and unsuppressed rifles.
The Sierra MatchKing Hollow Point Boat-Tail projectile is world-renowned for match-winning accuracy. At 220 grains, it is optimized for subsonic performance, producing a muzzle velocity of 1,020 fps with excellent stability and minimal drag. With a ballistic coefficient of 0.629, this bullet maintains trajectory consistency and shot-to-shot precision, making it a trusted option for precision shooters.
Whether for competition, training, or suppressed range sessions, Fiocchi’s 220gr Sierra MatchKing HPBT load provides the accuracy and reliability discerning shooters demand.
Key Features:
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Caliber: 300 Blackout
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Bullet Weight: 220 grain
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Bullet Type: Sierra MatchKing Hollow Point Boat-Tail (HPBT)
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Muzzle Velocity: ~1,020 fps
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Velocity Class: Subsonic
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Muzzle Energy: ~508 ft-lbs
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Case Type: Reloadable brass
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Primer Type: Boxer, non-corrosive
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Propellant: Clean-burning powder
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Manufacturing Standards: SAAMI-spec, match-grade components
Use Case
Designed for suppressed shooting, precision competition, and training where subsonic performance and accuracy are required.
Box Contains
25 rounds of factory-loaded 300 Blackout 220gr Sierra MatchKing HPBT ammunition.





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