360 Tactical 3-slot Quick Detach Lever Lock Picatinny/weaver Rail Adaptor and Riser,Medium Profile High quality aluminum alloy in durable black matte finish Attachment and securing is done by two allen key headed bolts which also secure it on the mount and stop its moving forwards and backwards. 1/2 inch height, 1.5 inch long, allows for sight clearance over front sights Shock proof can be used on real fire caliber Attaches and detaches quickly and easily via integrated quick release mechanism 360 Tactical 3-slot Quick Detach Lever Lock Picatinny/weaver Rail Adaptor and Riser,Medium Profile,Made With High Quality Aluminium Alloy in Matte Black Finish,Shock Proof And Heavy Duty.It comes equipped with an easy to operate quick release mechanism that allows for fast and easy attachment and detachment, allowing you to quickly mount or remove your optic depending on need. The mounts attaches via a simple quick release lever rather than with sets screws and allen wrenches like traditional mounts. The bolt mechanism can be tightened further from the other side for an even tighter fit.