Ultra-compact platform with 7 inch, 1:7 twist barrel for compatibility with subsonic and supersonic loads; Maxim Defense CQB Pistol Brace or CQB Gen 7 Stock (SBR) with enhanced buffer system functions reliably suppressed or unsuppressed; Linear compensator directs muzzle blast forward of the shooter Muzzle threads (5/8-24) allow for muzzle device customization; Independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters; Made in the USA