• Material: Made of aircraft grade aluminum alloy and black hard coat anodize finish, sturdy & durable.
• Perfect Match: 21mm Dovetail to Picatinny Rail Adapter with 9 slots is suitable for installing Picatinny standard sights, red dots or other accessories. It's very stable and will not tilt.
• Easy to Install: Dovetail to Picatinny Rail Adapter comes with a allen wrench, the side screws can be loosened, easy to install through dovetail mount. No modification required.
• Convert 11mm Dovetail to 21mm Picatinny Rail - 2.94 inches length at the base, the picatinny rail extends 3.94 inches allowing for more flexible optics placement.
• Package list: 1Pc Dovetail Rail 11mm to 20mm Adapter and 1Pc Allen Wrench.

What's in the box
1 x Guide rail bracket