PRODUCT SPECIFICATIONS:TYPE OF SCOPE TACTICAL RIFLEPOWER 1TUBE DIAMETER nanFIELD OF VIEW AT 100 YARDS 36.8-6.3FINISH BLACK MATTEWEIGHT IN OUNCES 15.0000LENGTH IN INCHES 3.0000FRONT LENS IN MM 0.0000ADJ PARALLAX NTARGET TURRETS NLENS CAPS INCLUDED YTYPE OF RETICLE RTR-1SIDE PARALLEX ADJ NLOCKING TURRETS NINCLUDES RINGS NOTHER FEATURES: 9 DAY BRIGHTNESS AND 3 NIGHT VISION SETTINGS, RED & GREEN RETICLES, 10 MINUTE SHAKE AWAKE, AIMPOINT MICRO FOOTPRINT, FLUSH ADJUSTMENTS WATERPROOF, 18MM OBJECTIVE LENS DIAMETER