Built to operate under the most demanding conditions, the 3.5-10x40mm SWAT IR Mil-Dot Rifle Scope by Barska delivers a premium performance at extreme distances. The SWAT IR Rifle Scope series features advanced multi-coated optics for an extremely clear view. An adjustable illuminated Mil-Dot reticle keeps you on target in any lighting situation. The 30mm mono tube construction allows for greater light transmission and provides the scope with a shock resistant construction. The 3.5-10x40mm SWAT IR Mil-Dot Rifle Scope with Rings is fully waterproof and fogproof, and comes complete with 5/8" high see-through rings.