20 Round Box – 300 Blackout 190 Grain Sub-X Hornady Subsonic Ammo – 80877

20 Round Box of Hornady Subsonic .300 BLK 190 Grain Sub-X Ammo For Sale

SKU: 80877

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Designed specifically for subsonic performance, Hornady .300 AAC Blackout 190 Grain Sub-X combines a heavy 190 grain projectile with Hornady’s specialized Sub-X bullet technology. The bullet features a lead core, gilding metal jacket, cannelure, and patented Flex Tip insert within the hollow-point cavity, with long jacket grooves and a flat profile engineered to promote reliable bullet performance at reduced velocities. This makes it a highly specialized option for .300 Blackout rifles and pistols where a heavy subsonic load is desired.

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Key Features

• Caliber: .300 AAC Blackout
• Weight: 190 Grain
• Bullet Type: Subsonic eXpanding (Sub-X)
• Casing: Brass, reloadable
• Primer: Boxer, non-corrosive
• Packaging: 20 Round Box
• Made in the USA

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Ballistics

Test Barrel Length: 16"
Distance	Velocity (fps)	Energy (ft-lbs)	Trajectory (inches)
Muzzle	1050	465	‑1.5
100 Yards	998	420	0
200 Yards	955	384	‑33.4
300 Yards	918	355	‑104.6
Ballistic Coefficient: .437 (G1)

Note: Ballistic data from Hornady

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Hornady developed Sub-X ammunition around the unique demands of subsonic shooting, using powders selected for consistent performance and a bullet design intended to function effectively below the speed of sound. The 190 grain Sub-X gives this 300 BLK load a substantial projectile while retaining the feeding and functioning characteristics expected from factory ammunition, making it suitable for hunting, target shooting, and recreational use where a dedicated subsonic cartridge is appropriate. Hornady .300 AAC Blackout 190 grain Sub-X ammunition delivers specialized subsonic performance with advanced Hornady bullet technology!