FSI Ruger 10/22 Picatinny Rail Mount — 11-Slot, 4.65 in, 6061-T6 Aluminum

Overview

The FSI Ruger 10/22 Picatinny Rail Mount adds a slim, durable mounting platform to your Ruger 10/22 receiver. With a compact 4.65-inch length and a light 1.5-ounce profile, it offers a versatile base for optics without adding bulk to your rifle.

Key specifications

• For Ruger 10/22 models; length 4.65 inches; weight 1.5 oz
• 11-slot rail accepts standard Picatinny or Weaver attachments
• Includes set screws that align with the Ruger factory mounting holes
• Made from durable 6061-T6 aluminum for rigidity and dependable performance
• Sleek new design supports 21mm Picatinny accessories; mounting hardware included

Compatibility and mounting

Designed to work with the Ruger 10/22 platform, this mount uses the factory mounting holes to provide a secure base for optics. The 11-slot rail offers space to arrange a variety of sights and scopes while preserving a low profile.

What you can mount

• Picatinny or Weaver standard scopes
• Red dot sights and magnifiers
• Laser sights and other 21mm accessories

Real-world use and benefits

In practice, shooters can quickly swap between different optic styles for diverse scenarios—target practice, plinking, or casual hunting—without changing base hardware. The combination of light weight, rigid construction, and a secure fit helps maintain point-of-aim consistency across sessions. While results vary with technique and conditions, this mount provides a stable platform that supports flexible sighting options while preserving the rifle’s balance.

Maintenance is straightforward: wipe clean, avoid overtightening, and store with screws lightly snug when not in use. The result is a simple, dependable upgrade that complements the Ruger 10/22’s established ergonomics.