The Patriot Ordnance Factory Renegade + Rifle in 5.56x45mm NATO offers advanced features and improvements to the direct impingement system. Here are the specifications for the 13.75 Pinned Renegade + Rifle: Features: Barrel: Material: Nitride Length: 13.75 Twist Rate: 1:8 Rifling: 5R Right Hand lands/grooves Muzzle Device: Pinned & Welded Dead Air Keymo Muzzle Brake Overall Length with Muzzle Brake: 16.1 Rail System: 13 Renegade M-LOK compatible rail system Gas Block: Mid-Length Dictator Adjustable Gas Block (9-position) Receiver: Gen 4 billet lower receiver Ambidextrous controls Trigger: Flat 3.5 lb match-grade trigger KNS Precision anti-walk pins Additional Information: The roller cam pin and patented heat sink barrel nut address weak points in the direct impingement system. The Dictator 9-position adjustable gas block provides precise control for different ammo loads or suppressor use. Straight gas tube design eliminates heat buildup from standard gas tubes. The Renegade + Rifle is designed for enhanced performance and versatility, making it a standout option in the direct impingement rifle category.