Patriot Ordnance Factory Revolution Direct Impingement Gen4 6.5 Creedmoor 20in Black Anodized Semi Automatic Modern Sporting Rifle - 20+1 Rounds - POF has introduced the Revolution DI (Direct Impingement). By popular demand, you get the same technology, same durability, same features, and same AR-15 size, but in a smaller direct impingement system featuring their 9-position adjustable Dictator gas block and Renegade rail. There is virtually nothing left to upgrade. Amidextrous Bolt Release And Safety Selector; Receiver Tension Screws; Oversized Mag Well Flare; Ambidextrous Recessed Finger Rest And Magazine Release; Oversized Integrated Trigger Guard With Grip Relief; Indluces Magpul 20-Round Magazine;