The EGW Scope Base (brand part no. 42102) is a one-piece Picatinny rail built specifically for the Winchester Model 70 standard and long action in its pre-1964 receiver configuration, machined from 6061-T6 extruded aluminum and finished in matte black. Built in with 20 MOA of elevation, this base pre-compensates for bullet drop at extended range, letting a long-range shooter dial more of their scope’s total elevation travel into useful range instead of using it up just to get on paper. EGW specs an overall length of 7.064 inches and a 3.805-inch center spread between mounting holes, and recommends 20 inch-pounds of torque with a drop of blue Loctite on the included hex head screws during installation.

Key Specifications

• Built for the Winchester Model 70 Standard/Long Action, Pre-’64 receiver.
• Machined from 6061-T6 extruded aluminum.
• Finished in matte black.
• Built-in 20 MOA of elevation for long-range bullet drop compensation.
• MIL-STD-1913 Picatinny rail interface, no rings included.
• Overall length of 7.064 inches, with a 3.805-inch mounting hole center spread.
• Mounting hardware includes hex head screws and a wrench.
• EGW recommends 20 inch-pounds of torque and blue Loctite during installation.
• Made in the USA.

Frequently Asked Questions

What does 20 MOA built into the base do? It pre-compensates for bullet drop, freeing up more of the scope’s elevation travel for useful long-range adjustment.

Which Winchester 70 receivers does this fit? The standard and long action, pre-1964 configuration specifically.

Are scope rings included? No, this is a Picatinny rail base only; rings are sold separately.

Buy the EGW Winchester 70 Pre-’64 20 MOA Scope Base

Get more usable elevation out of your long-range scope. Order the EGW scope base from our scope accessories and parts selection at our Lubbock, Texas gun shop for fast, direct shipping.