.300 Black Out 220 grain Subsonic

Price range: $56.00 through $540.00

Specification Details
Cartridge .300 Blackout
Manufacturer HSL Ammunition
Head Stamp Mixed
Grain Weight 220 grain
Projectile Type Total Metal Jacket, Spire Point
Muzzle Velocity 1,050 Feet per second (avg.)
Lead Free No
Case Type Brass
Primer Boxer
Corrosive No
Reloadable Yes
Test Barrel Length 16”
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Description

.300 Black Out 220 Grain Subsonic Ammo | HSL Ammunition for Suppressors

The .300 Black Out 220 Grain Subsonic round from HSL Ammunition is built for those who demand precision, quiet performance, and superior terminal results in suppressed firearms. Loaded with a heavy 220 grain projectile, this subsonic load is ideal for tactical use, home defense, or range training with minimal sound signature. Engineered to function reliably in both bolt-action and semi-auto platforms, it delivers exceptional accuracy and deep penetration at lower velocities—making it perfect for suppressed use where stealth is critical. Like all HSL ammo, this round is crafted with premium components for consistent quality, clean burns, and reliable cycling.

 All ammunition is loaded with high-quality name brand components such as; Hodgdon powders, CCI primers, Berry’s Mfg. and Hornady projectiles.

Additional information

QTY

100, 1000, 500

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