Mueller APV Tactical APT 4.5-14X40mm w/Free Sunshade - Free Screw-On Sunshade 029-SS340 ($16.95 Value). Mueller took the popular APV riflescope, added a Mildot Reticle, 30mm Tube, and large exposed Target Knobs to create the Mueller APT Riflescopes. APT stands for All Purpose Tactical. Superb Clarity, Brightness and Repeatability! Mueller All-Purpose Tactical (APT) riflescope has 4.5-14X magnification with adjustable 40mm objective and the 1/4 MOA windage and elevation adjustments have clean, definite, and repeatable click settings.- Optically, the Mueller APT riflescope gives excellent edge-to-edge clarity and brightness because the glass is top quality and fully multi-coated throughout. The Mueller APT riflescope features a Mildot reticle to give fast range finding (distance estimation) with fine detail aiming at the crosshair. The parallax adjustment goes all the way down to 10 yards so you can use this scope at rimfire as well as centerfire distances. - The one piece tube construction is nitrogen purged, waterproof, fogproof, and shockproof. Check out our Free Tech Reports on How to Choose a Riflescope.