The Model 1 is assembled by hand, one at a time, by a trained gunsmith who inspects, test fires and cleans the weapon to guarantee it meets the most rigid quality standards. Featuring ambidextrous controls; upper receiver, lower receiver and handguard Cerakoted together for perfect color match; extended M-LOK aluminum handguard; integrated upper handguard stainless steel anti-rotation pin; Radian Raptor-SD Suppressor-Optimized ambidextrous charging handle; Radian Talon Modular ambidextrous 45/90 safety selector; ATC AR Gold Match grade trigger; 6-Position Mil-Spec receiver extension w/QD End Plate and SBA3 Brace.