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.
Sig Sauer RM40016BTRD M400 Tread 5.56x45mm NATO Caliber with 16″ Barrel, 30+1 Capacity, Black Hard Coat Anodized Metal Finish, Black 6 Position Magpul SL-K Stock & Black Polymer Grip Right Hand
