Sig Sauer M400 Tread 5.56 rifle

Sig Sauer RM40016BTRDV2 M400 Tread 5.56x45mm NATO 30+1 16″ Stainless Steel Barrel; Black Hard Coat Anodized Picatinny Rail Aluminum Receiver; M-LOK Handguard; Black Synthetic 6 Position Magpul SL-K Stock; Black Polymer Grip, Ambidextrous