Ruger Picatinny Rail Scope Base — Fits Mark III/IV & 22/45

This is the factory Ruger 1913-style Picatinny rail designed for Mark IV, Mark III and 22/45 pistols. The rail is intended to mount to receivers that are factory pre-drilled and includes three mounting screws. This accessory does not fit Mark I or Mark II pistols.

Key Specifications

• The rail fits Ruger Mark III, Mark IV and 22/45 receivers with factory pre-drilled holes.
• The material is Aluminum.
• The finish is Hardcoat Anodized in black.
• The mounting style is 1913 Picatinny/Weaver.
• The mount type is To Receiver.
• Includes three screws for installation.
• Product type is a 1-piece base.
• Rings are not included.
• The listed product dimensions are 1.45 x 3.45 x 6.70.
• The listed weight is 0.115.

As a genuine Ruger factory accessory, this one-piece Picatinny rail provides a durable, consistent platform for mounting optics or other sighting solutions on compatible Mark III, Mark IV and 22/45 pistols. Its hardcoat anodized aluminum construction keeps weight low while resisting wear from routine use. For customers seeking a factory-style mounting solution that integrates cleanly with pre-drilled Ruger receivers, this rail offers straightforward installation and dependable alignment for sighting accessories.