Maxim Defense SDX RFLX .300 Blackout 8.5″ Suppressed SBR

The Maxim Defense SDX RFLX is an integrally suppressed short-barreled rifle (SBR) chambered in .300 Blackout. Built on the reliable SDX platform, this rifle features the M-Kore reflex suppressor, offering an over-the-barrel design that optimizes sound reduction and balance without adding excessive length. The SDX RFLX is equipped with a tuned gas system and an internal suppressor extension, achieving an impressively quiet 129 dB at the shooter's ear when using subsonic ammunition.

Key Features

• Integrally suppressed .300 Blackout SBR
• M-Kore reflex suppressor for reduced length
• Tuned gas system for optimal performance
• 129 dB sound level with subsonic ammo

Maxim Defense's SDX RFLX is designed for shooters seeking a compact and quiet rifle, ideal for tactical applications or quiet shooting sessions. Available from ICB Firearms, with fast nationwide shipping and local pickup in Saint Clair Shores, Michigan.