Sig Sauer R716I16BTRD 716i Tread 7.62x51mm NATO 20+1 16″, Black Hard Coat Anodized Metal Finish, Black Adjustable Telescopic Stock, Black Polymer Grip

The TREAD is engineered to deliver exceptional quality, performance and comes standard with features for today’s AR platform rifles. Unlike most rifles in its class, the TREAD is easily customizable with a full line of purpose-built accessories, designed and built in the USA.