Weaver Base 21 Top Mount

Use the Weaver #21 Top Mount Base as a mounting solution for your firearm. This base serves as a front or rear mount for Weaver riflescope rings or other Weaver-compatible accessories on select firearms. They are made of lightweight and durable aluminum and provide secure, recoil-resistant support.

Key Features
Weaver-Style
Works with Select Firearms
Serves as Front or Rear Base
Anodized Aluminum Construction

Front Compatibility
Savage: 3
Sears: 42 and 43
Stevens: 53, 83
Winchester: 60, 67 and 68
Mossberg: 40, 320, 340, 342 and 620
H&R: 755, 765, 852 and 865
Remington: 25, 514
Rear Compatibility
Mossberg: 320, 340, 342 and 620
Winchester: 60, 67 and 68