This is a Seekins Precision Mount known as the 20 MOA, model 0010710021.
If there is one area where the utmost precision is mandatory" it's scope bases. Literally the foundation for the scope or sight" anything less than perfection compromises the entire system. Seekins Precision Scope Bases are the perfect base mount for your Remington or Savage precision rifle. Seekins Precision Scope Bases are full length rails machined from solid 7075-T6 aluminum to the 1913 Picatinny specification and Type III Hardcoat Anodized matte black. An integral recoil lug is milled directly into the scope base. This guarantees a rock solid mount by preventing any movement during recoil and eliminating stress on the mounting screws. Grade 8 T-15 Torx fasteners are used to solidly mount the base to your rifle. Mounting hardware comes in #6-48 to fit Remington 700 patterned actions and Savage 10FP patterned action rifles" or with #8-40 fasteners to accommodate some custom actions and upgraded Remington 700.
Features:
One piece design
Continuous rail
7075-T6 billet
1913 Picatinny Mil-Spec