The Ruger Picatinny Rail A07055 Scope Base Mark III / Mark IV is a scope base manufactured by Ruger / Sturm, Ruger & Co. (part no. 90623). It is designed to fit Ruger Mark III and Mark IV pistols. It uses a Picatinny rail, attaches with screws mounting system.

Key Specifications

• This scope base is manufactured by Ruger / Sturm, Ruger & Co..
• Designed to fit Ruger Mark III and Mark IV pistols.
• Uses a Picatinny rail, attaches with screws mounting system.
• Ships configured as a 1-piece base.
• Listed by the manufacturer under model designation Picatinny Rail.
• Measures approximately 6.7 inches in overall length.

Frequently Asked Questions

What does this scope base fit? This listing is designed to fit Ruger Mark III and Mark IV pistols; always confirm against your firearm’s exact model and receiver markings before ordering.

How is this scope base built? It uses a Picatinny rail, attaches with screws mounting system.

How is this scope base packaged? It ships configured as a 1-piece base.

Buy the Ruger / Sturm, Ruger & Co. Scope Base

Shop more Ruger / Sturm, Ruger & Co. gear on our Ruger / Sturm, Ruger & Co. brand page, or browse the full Scope Bases selection at Schaefer Defense.