NcStar AR15 QR Weaver Mount/Cantilever Scope Mount Rear Ring/30mm and 1-Inch Inserts (MARCQ), Black
The MARCQ quick-release Weaver-style cantilever mount is the most versatile mount in the NcStar lineup. With the MARCQ, you can mount virtually any riflescope or red dot sight to your AR-15 or M16 rifle in a number of different configurations. The unit includes NcStar's renowned QR lever system, which makes it lightning fast to mount the MARCQ to your flat top. The MARCQ also includes a detachable 30mm rear ring with 1-inch inserts. The rear rings rides on a dovetail so you can easily adjust the spacing to create a customized fit. Or you can remove the rear ring and set up your red dot sight to co-witness with your iron sights. Made of hard-anodized aluminum and solid steel, the mount isn't going anywhere once it's locked in.