Scalarworks LEAP/02 Quick-detach Mount Black. The re-designed clamp has discreet hardened steel pins and a stopper to indicate when it's sufficiently open to clear a Picatinny rail. Features of Scalarworks LEAP/02 Quick-detach Mount Fits Aimpoint reflex sights Micro T-2 H-2 T-1 H-1 CompM5 Holosun reflex sights HE403 HE503 HE515 HE530 HS403 HS503 HS515 Primary Arms reflex sights Advanced Micro Dot Microdot Sig Sauer reflex sights ROMEO4 (H/S/T) ROMEO5 Vortex reflex sights CROSSFIRE SPARC II SPARC SOLAR Package Contents: Scalarworks LEAP/02 Quick-detach Mount T-10 BIT Fasteners Scalarworks SW0230: LEAP/02 Quick-detach Mount Black