Patriot Ordnance Factory Revolution Direct Impingement Gen4 6.5 Creedmoor 20in Bronze/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