LWRC International REPR Side Charge MKII 308Win/7.62 Type: Rapid Engagement Precision Series/Collection: REPR Side Charge, MKII Action: Semi-Automatic Stock Type: Magpul UBR Adjustable Trigger Type: 2-Stage Precision Muzzle Type: Ultra Muzzle Brake Magazine Capacity: 20+1 Caliber/Gauge: 308 Winchester/7.62x51mm NATO Twist Rate: 1:10″ Orientation: Right Safety: Safety Selector Switch Sight: Skirmish Barrel Material: Cold Hammer Forged Stock Material: Polymer Stock Finish: Black Barrel Length: 16.1″ Overall Length: 37-1/2″ to 41″ Weight: 9 lb Barrel Type: Spiral Fluted Operating System: Short-Stroke Gas Piston Thread Size: 5/8-24 Feature: LWRCI tunable gas block Patented LWRCI short-stroke gas piston system offers unparalleled reliability and easy maintenance Monoforge upper receiver with integrated rail-base is stronger than the standard-pattern upper Black nitride treated LWRCI heavy-profile barrel is precisely torqued in our factory to a consistent torque setting Cold hammer forged 1:10 twist stabilizes a wide range of bullet types GEISSELE SSA-E 2-stage precision trigger LWRCI ambidextrous rear charging handle LWRCI SKIRMISH back up iron sights ULTRA muzzle brake Magpul MOE(+) grip Magpul PRS adjustable stock Capable of Sub-MOA accuracy