If you are looking for great shop. And the most reliable.
We recommend that you buy from the store Brownells
Mark 6 scopes have 34mm main tubes and feature mil-based ZeroLock windage and elevation dials that prevent unintentional adjustments in the field. They are available with different styles of ranging reticles located on the front focal plane (FFP) so the subtensions remain true at all magnifications. The 1-6x20mm allows both-eyes-open shooting without magnification with the ability to zoom up to 6x for longer shots. Its available with the illuminated TMR (Tactical Milling Reticle) the CMR-W 5.56 reticle calibrated for military M855 ammo at 900 yards the CMR-W 7.62 reticle calibrated for 175 grain .308 loads out to 1200 yards. The 3-18x44mm scope is available with the CMR Mfg: Leupold SPECS: Lens Coating - Xtended Twilight Lens System With Diamond Coat 2. Adjustment Markings - Zerolock 0.2Mil per click. Maintube Diameter - 34mm. Special Features - Superior 6:1 zoom optical system Illuminated Front Focal Plane Reticles Daylight Visible Illumination also Compatible with NightRead More