NavPlus 30mm Flip to Side Qd Scope Mount Ring for Ap Et Magnifier Red Dot Riflescopes This item made in Xdoptical factory, From Metal. It is beautiful and good quality. QD/Lock Lever fully adjustable to fit on any 20mm Weaver or Picatinny rail Flip to Side Riflescopes Ring (30mm) Fits Aimpoint and Eotech Magnifier Removable top ring; Body construction: Black anodized aluminum Tested on real firearms to ensure stability