8.6 BLK – 235 GR. TUI SBA
January 2, 2026
MD:15 DUTY PRECISION
January 20, 2026
8.6 BLK – 285 GR. TUI SUBSONIC
$65.95
8.6 BLK - 285gr TUI® Subsonic ammunition
Subsonic mass. Unmatched terminal authority.
The Maxim Defense 8.6 Blackout 285gr TUI® Subsonic Ammunition is a match-grade, lead-free cartridge designed to deliver extreme penetration and devastating terminal performance at subsonic velocities. Built around a Solid Copper Spun (SCS®) projectile and patented Tumble Upon Impact™ (TUI®) technology, this ammunition penetrates bone and dense tissue before tumbling aggressively in soft tissue to create massive internal disruption. Optimized for short barrels, fast twist rates, and suppressed platforms, it delivers quiet operation, consistent accuracy, and confidence-inspiring performance for serious hunters and specialized shooters.
FEATURES:
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285gr solid copper TUI® projectile for extreme subsonic performance
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Optimized for suppressed 8.6 BLK platforms
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Immediate tumbling in soft tissue for massive wound channels
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High penetration with controlled disruption
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CNC-machined projectiles for match-grade consistency
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Lead-free construction for regulated environments
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Built for fast-twist barrels and short barrels
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| 8.6 BLK - 285gr. TUI Subsonic Ammunition | |
| Caliber | 8.6 BLK |
| Grain | 285 |
| Projectile | Solid Copper Spun (SCS®) |
| Test Barrel | 12" / 1:3 |
| Barrel Velocity | 1056 FPS |
| Size | OAL: 1.965" / COAL: 2.800" |
| Quantity | 20/Box |
At Maxim Defense, we take pride in designing and manufacturing high-performance firearms, suppressors and accessories that deliver exceptional reliability and durability. Your feedback and positive reviews are important to us, as they help us continually improve our products. If you experience any issues with your Maxim Defense products, please contact us at info@maximdefense.com, and we’ll work with you to resolve the matter as quickly as possible. Please note that we do not cover damage caused by the installation of other manufacturers’ products.
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