The Holosun HM3XMICRO is an ultra-compact 3X magnifier designed for tactical and sporting applications featuring a quick detach (QD) flip mount system for rapid engagement transitions.Holosun HM3XMICRO 3X MagnifierQuick detach (QD) flip mount for fast deploymentPicatinny rail compatible mounting systemUltra compact dimensions: 3.25" x 3.70" x 4.70"Durable construction for tactical useIdeal for shooters who need the versatility of both magnified and unmagnified optic use allowing quick transitions between close-quarters and precision shooting scenarios.