ROCK RIVER ARMS LAR-PDS Carbine Alum TRI-TRail

ROCK RIVER ARMS LAR-PDS Carbine Alum TRI-TRail - Piston Driven System (PDS): A new generation of firearms employing RRA's patent-pending PDS with purpose-designed bolt carrier, adjustable gas piston and over-the-barrel spring and guide rod arrangement - CALIBER: 5.56 NATO (Chambered for 5.56mm and .223 Caliber) - LOWER RECEIVER: Forged RRA LAR-15 - UPPER RECEIVER: Proprietary With Extended Top Rail - CHARGING HANDLE: Ambidextrous Non-Reciprocating - BARREL: 16-inch Chrome Moly, 1:9 Twist - MUZZLE DEVICE: A2 Flash Hider / 1/2–28 Thread - TRIGGER: RRA Two Stage Trigger - HANDGUARD: RRA LAR-PDS Aluminum Tri-Rail Handguard - BUTTSTOCK: RRA Side Folding 6-Position Tactical Stock with Receiver Extension Storage Compartment - PISTOL GRIP: Hogue Rubber Grip - WEIGHT: 7.4 pounds - LENGTH: 37.75 Inches Stock Unfolded and Extended / 34.5 Inches Stock Unfolded and Retracted / 26 Inches Stock Folded - INCLUDES: One Magazine, RRA Case, Manual and Warranty Information