Millet Buck Gold 4-16x 50 Side Focus Illuminated Multi Coat Rifle Scope<br />http://www.amazon.com/gp/product/B0018TMCYE?tag=sukses2015-20<br />Heavy Duty one piece main tube provides the foundation for precise lens alignment and other components <br />Shock-proof scopes need to absorb the heaviest recoil and field handling conditions without failure <br />The reinforced variable power zoom ring serves to seal and support the eyepiece securely <br />Our special sealing and purge methods for dry nitrogen fill include internal moisture removal paths in the eyepiece <br />Buck Gold scopes have a unique coil spring system which applies uniform pressure throughout the windage