Maxim Defense SDX RFLX 300 BLK 8.5″ CQB Arid

The Maxim Defense SDX RFLX 300 BLK 8.5" CQB Arid is an integrally suppressed SBR that represents the latest evolution in sound reduction for .300 Blackout rifles. Built on the reliable SDX platform, this rifle features the innovative M-Kore reflex suppressor, an over-the-barrel system designed to minimize added length while enhancing balance and reducing noise. The tuned gas system and internal suppressor extension ensure a remarkably quiet shooting experience, achieving 129 dB at the shooter's ear with subsonic ammunition.

Key Features

• Chambered in .300 Blackout
• 8.5" barrel length
• Integrally suppressed with M-Kore reflex suppressor
• Tuned gas system for optimal performance
• Quiet operation at 129 dB with subsonic rounds

This rifle is ideal for those seeking a compact and quiet .300 BLK option without compromising on performance. Available from ICB Firearms, ready to meet your tactical needs.