30 moa Scop base (rail) for Ruger 10/22 (comes with the required action screws)
Depending on your shooting needs ou may need 30moa in your rail for long range and extreme long range it is recommended. this can also be used if you are just planning on putting a red dot on your rifle as well.
 
Keep in mid the stock picture in this add isnt exactly as your rail might look your rail will be specific for the rifle its designed for.
 
info from MDT:
MDT's Scope Base Picatinny Rails are a precise and reliable solution when it comes to mounting a scope on your bolt action rifle.
DETAILS
MDT’s Scope Base Picatinny Rails are designed to make the mounting of your optics easier. They are machined from 6061-T6 aluminum, then hard-anodized black for a durable finish. The underside of the rails are profiled to allow the rail to be mounted flush on the receiver and to match the geometry of the ejection port. These rails are designed with a 30 MOA incline providing additional elevation adjustment from your scope*. A recoil lug has been integrated in the underside rail profile on models where the action’s design allows for this feature.
*Additional elevation adjustment will vary based on your scope specifications.
SPECIFICATIONS
MIL-STD-1913 & STANAG 4694 spec rails
CNC machined from 6061-T6 aircraft grade aluminum
Mil-Spec Type II hard anodized
30 MOA rail
Integrated recoil lug**
Contoured for snag-free operation
HARDWARE INCLUDED
#6-48 TORX screws (rail base drilled to accommodate #8-40 screws also)