Spec15 Forged Aluminum Receiver Set – 5.56: 16 4150V Chromoly Barrel – 15 MLOK Slim Handguard – Castle Flash Suppressor – Direct Impingement; .750 Low Profile Non-Adjustable Gas Block – Salt Bath Nitride Coated Spec15 BCG – Spec15 Forged Charge Handle – Mil-Spec G.I. Trigger – G.I. Grip – XTS Buttstock – White Battleworn Cerakote Finish – Zero Tech Trace 1×25 Red Dot Optic TRRD125