windage elevation adjustable picatinny weaver rail mount and barrel clamp adaptor hold with 1" inch 30mm ring for weapon rifle gun tactical laser led flashlight light illuminator scope optic torch laspur <b>specification:</b><br> ★the item is packed with 2 parts, one is holding ring, another is rail mount.<br> ●before using,put the holding ring onto the rail mount with each two holes matched together, keep the small triangle on the holding ring forward.<br> ●put two screws from the holding ring into the rail mount, and then fasten them with the allen key.<br> ★this item is usually mounted on the scope or rifle. <br> ●scope: scope ring adaptor should be with picatinny/weaver/universal rail. <br> ●rifle: rifle should be with rail base<br> ★when you add this gear to hold flashlight or laser illuminator, you can also perform with laser sight or gun light. multi combination, easy mounting, big adjustment angel, reliable performance<br><br> <b>fitting guide:</b><br> compatible with following firearms: tactical rifles, hunting guns, it comes with a mount for a picatinny rail system, also known as a mil-std-1913 rail and weaver rail system.<br> <b>additional notes:</b><br> ★which has an accessory rail mounted<br> ★compatible with picatinny and weaver rail<br> you should certain your rifle hand guards with accessory before purchase. <br>