AAC Blackout 90T Flash Hider, 7.62mm, 5/8×24 (SR Series)

The AAC Blackout 90T flash hider (MPN 64241) is purpose-built for SR-series 7.62mm rifles, using an open 3-prong design to knock down muzzle flash even on shorter barrels.

Key Specifications

• Open-end 3-prong design engineered to suppress muzzle flash, even on short-barreled 7.62mm rifles
• Stronger than closed 4-prong designs and resists the wear and erosion common to closed-end flash hiders
• Machined from high-strength aerospace steel alloy
• Finished in durable, corrosion-resistant SCARmor coating
• Threaded 5/8×24 for 7.62mm SR-series barrels
• Includes Rocksett thread-locking compound for secure mounting

Frequently Asked Questions

Why use an open 3-prong flash hider instead of a closed design? The open-end 3-prong shape is inherently stronger than 4-prong closed units and avoids the wear and erosion closed-end designs suffer over time.

What thread pitch does this flash hider use? It’s threaded 5/8×24, matching SR-series 7.62mm barrels.

Do I need thread locker to install this flash hider? Yes, Rocksett thread-locking compound is included for a secure, vibration-resistant mount.

Buy the AAC Blackout 90T Flash Hider, 7.62mm, 5/8×24 (SR Series)

Find this flash hider from Advanced Armament Corp or browse more AR muzzle devices, available to order from a Lubbock, TX gun shop.