Weaver Top-Mount Base #60A glossy black for Browning 22 and others.

Weaver Top-Mount Base #60A glossy black for Browning 22 and others.
Each Weaver base is machined for a custom fit with the tightest tolerances. They are designed to counteract the effects of recoil with a square notch that precisely fits the stable cross pin in each removable Weaver ring. Fits:

Browning 22 Automatic
H&R Models Topper 30, 22 Jet, & 158 (Pre-1973)
Interarms ATD
Norinco 22 Automatic (Replica of Browning 22)
Remington Models 24 & 241

This is a 1-piece base.
Mounting hardware included
On the Browning 22 Automatic, the base attaches to the barrel and extends back over the receiver