Relations Feature A 21mm Picatinny Quick Release Mount A Cantilever A 20.5mm 0.8 Inch High Profile A Pefect Match Vector Optics Maverick and Aimpt Mini T-1 Red Dot Sight Specification A Overall Length: 58mm / 2.3" A Base Length: 48.5mm / 1.9" A Height: 20.5mm / 0.8" saddle A Weight: 60g / 2.1oz A Material: 6063-T6 A Mount: 21mm picatinny Quick Release A Finish: Black matte Service For More Warranty Information,Pls See to The Page of WARRANTY INFO: https://vector2007.com/pages/warranty-info