Weaver Top-Mount Base #19 glossy black for Winchester 1903 and others

Weaver Top-Mount Base #19 glossy black for Winchester 1903 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:

Anschütz 153 Deluxe (Front & Rear)
CIL 900 (Front & Rear)
H&R Models 232C (10 Ga.) & 980 Ultra (Front & Rear)
New England Firearms 10 Gauge Shotgun (Front & Rear)
Savage Models 99 and 1895 (Front), 25 Octagon barrel (Rear)
Winchester Models 1903, 61 round barrel, & 63 (Rear)

This is a 1-piece base for a 2-piece system.
Mounting hardware included