The Maxim Defense .300 Blackout 190gr TUI Subsonic Short Barrel Ammunition is a match-grade lead-free rifle round designed for shooters who prioritize quiet operation accuracy and controlled terminal performance. Built around a Solid Copper Spun (SCS) projectile and patented Tumble Upon Impact (TUI) this ammunition delivers consistent penetration and effective energy transfer at subsonic velocities. Optimized for suppressed rifles and short-barrel platforms it provides reliable cycling minimal recoil and proven accuracy—making it an excellent choice for defensive use professional applications and suppressed shooting environments.
Maxim Defense MXM49005 Tumble Upon Impact (TUI) Subsonic 300Blackout 190gr Solid Copper Spun 20 Per Box/25 Case
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★★★★★ Rated 5 out of 5
$51.53 Original price was: $51.53.$38.17Current price is: $38.17.
Availability: 17 in stock
| Brand | Maxim Defense |
| Category | Centerfire Rifle Rounds |
| Series | Subsonic |
| Model | Tumble Upon Impact (TUI) |
| Caliber | 300 Blackout |
| Rounds Per Box | 20 |
| Muzzle Velocity | 960 fps |
| Bullet Weight | 190 gr |
| Boxes Per Case | 25 |
| Bullet Type | Solid Copper Spun |
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