SIG RM40016BTRDKIT 400 223 16 TRD OR 30R ACCKIT

The M400 Tread features a free-floating M-LOK handguard, Magpul SL-K 6-position telescoping stock, single stage trigger, 16" stainless steel barrel, and a 7075 T-6 aluminum receiver with a black hardcoat anodized finish.This model includes a forward grip kit, 13" accessory handguard, Romeo 5 red dot, flip up sight kit, flat blade trigger kit, ambi charging handle, front sight rail, and 3 chamber compensator.