Sig Sauer RMCXR556N16BRX2 MCX Regulator w/Optic Listing ID: 2974154

Sig Sauer MCX Regulator w/Optic 223 Rem/5.56 NATO 10+1 16" Black Nitride Muzzle Brake Barrel, GEN II NiR FDE Cerakote ARCA/Picatinny Rail Aluminum Receiver, Flat Dark Earth Synthetic Magpul SGA 590 Stock, Ambidextrous, SIG ROMEO2 Red Dot.
Factory new and very few rounds fired through for testing.