The Daniel Defense DD4 V7 SLW 5.56 Nato rifle is designed for precision and reliability. Its lightweight barrel profile reduces weight without compromising performance. The M-LOK mounting system provides flexibility for accessory attachment. Fast shipping ensures you get your gear quickly. This rifle features a mid-length gas system, which helps to reduce recoil. The Dead Air Xeno Flash Hider is pinned and welded for suppressor readiness. The fully ambidextrous lower allows for bilateral control. Key Benefits and Features: Caliber: 5.56mm NATO Muzzle Thread: 1 x 2 x 28 TPI Gas System: Mid-length Barrel Length: 14.5" Barrel Profile: Lightweight Muzzle Device: Dead Air Xeno Flash Hider, Black Nitride Rail System: DD4 13.5 Product Weight: 6.2 lbs Length: 31 1/2" - 34 3/4" (w/ muzzle device) Magazine: DD Magazine Manufacturer: Daniel Defense