The Northtac M-10 is designed to offer the largest sight picture of any Northtac optic. Featuring a 38mm objective and programmable electronics the Auto-Shutoff and Shake Activation features allow the optic downtime when not in use and lightning quick target acquisition when handling your firearm from a stored position. The solid cased aluminum enclosure keeps out unwanted dust and debris and protects the optic from all angles. With recessed clickable turrets you can easily make adjustments when needed. The 12 brightness settings and premium multi-lens coating means this optics versatility ranges from a wide variety of applications and platforms. 2MOA Dot.