Specifications:
Funpowerland 1 Inch Grease gun accessories /Compact AR15 See-Through Riser Mount
1.8 Slots universal/ Weaver /Picatinny Rail
2. Big Thumb Nuts and Locking Plate for Easy and Quick Installation
3. Fits AR15/ M16 /FALs Flat Tops
4. Black matte finish
5. Made By Top Grade Aircraft Grade 6061 Aluminum