Weaver Top-Mount Scope Base #45 bis-hidden Fits the Ruger 77/22

Fits the Ruger 77/22

Shilen Flat top receiver (Front and rear)

Eliminate need to carry extra shells and fill up pockets

The 40 grain Jacketed Hollow Point delivers a hard-hitting hunting load that delivers devastating performance on varmints

barrels and other surfaces subjected to friction

Weaver Top-Mount Scope Base #45 bis-hidden Fits the Ruger 77/22Each Weaver base is machined to the tightest tolerances for a custom fit. They are designed to fight the effects of recoil with a square cut notch that precisely mates to the sturdy cross bolt in every Weaver detachable ring. Fits: Browning Bolt Actions, Hi Power (older models) (rear base) CIL 972 C (rear base) Colt 57 (rear base) H & R 300, 301, 330, 370 (before 1973)(rear base) Herters J9 (rear base) Marlin 455 (rear base) Mauser (including FN, HVA