30mm Rifle Scopes- 1st Focal Plane

2-12×42 (2x to 12x Magnification with a 42mm Front Lens)

2.5-15×50 (2.5x to 15x Magnification with a 50mm Front Lens)

4-16×44 (4x to 16x Magnification with a 44mm Front Lens)

4x16x50 (4x to 16 Magnification with a 50mm Front Lens) Spring Piston Compatible

4-20×50 (4x to 20x Magnification with a 50mm Front Lens)

6-24×56 (6x to 24x Magnification with a 56mm Front Lens)

An Adjustable Objective (AO) scope is capable of correcting Parallax error. When Parallax is properly adjusted, your target looks like it has the Cross-Hairs painted on it no matter where you move your head.