The Impact NBK action is a lighter weight version of our 737/777 line of actions.  It features a split, skeletonized picatinny rail with the same 20 moa of draft and full interchangeability between barrels and bolts as the 737.  It is perfect for a hunting, NRL hunter, or PRS Sportsman class rifle and is the basis for our Gideon Hunter rifle. This is a short action with a bolt for .223 family of cartridges including .222, .204 Ruger, .300 Blackout, 17 Remington, etc.