Developed to be the perfect gun scope, the Primary Arms PLx Gen II Compact RDB 1-8x24mm 30mm Tube LPVO Rifle Scope, First Focal Plane is great for circumstances in which a high quality riflescope is the paramount to results. These AR15 Rifle Scopes from the optical specialists at Primary Arms are formulated making use of the tough and heavy duty components that you have come to count on from this amazing company.