Feature:
Lightweight & Durable
Precision Machined from aircraft grade aluminum and finished in a matte black hard coat anodize, durable solid structure.
11mm To 21mm Rail Convert Adapter
Compatible with 11mm or 3/8" dovetail mounts, can be used to convert to 21mm picatinny rail mount, allowing for more flexible optics.
Low Profile Riser Rail Design
3.94" picatinny rail with 9 Slots with a 0.59" saddle height riser rail, provides more flexible optics placement and eye relief.
Flexible Application
The adapter's picatinny rail allows for the mounting of standard picatinny scopes, red dots, or other optics.
Easy to Install
Three high strength locking screws ensure a solid mount-to-receiver lock up, attached allen wrench can help you to ensure tight enough, keep stable and no shaking.

Specification:
Type: 11mm to 21mm Adapter
Material:Aluminum Alloy
Color: Black
Size:As shown

Package Include:
11mm to 21mm Adapter *1
Allen Wrench *1