FEATURES Compatible with Benelli M4 and clones Allows mounting of Aimpoint T1, T2, H1, H2, and clones Lower 1/3 co-witness, which allows the use of standard iron sights through a red dot Provides a super clean OEM look Weight: 1.4 oz Constructed from Hard Coat Anodized 6061 Aluminum for a lifetime of service Includes optic mounting screws Reuses factory M4 rail screws, or 2x Benelli screw part number 143990A and 2x Washer 1439610A Mfg: Midwest Industries, Inc.