Trijicon Cantilever Mount w/Q-LOC, 34mm Tube, 1.535" Height, Black

The Trijicon Cantilever Mount with Q-LOC is a 34mm tube optics mount purpose-built for hunters and long-range precision shooters who demand rock-solid repeatability without the bulk. This scope base keeps your optic mounted low over the bore—critical for optimizing sight picture and cheek weld—while the spring-loaded Q-LOC system holds zero reliably even if you forget to fully tighten the retention knobs. One-handed, tool-free installation means you can mount or swap optics in the field without extra gear.

Built from mil-spec 6061-T6 aluminum and finished in matte black, the mount is engineered to survive hard use. It's rated for mil-spec drop tests and works with any standard mil-spec or NATO Picatinny rail, making it a versatile choice across modern rifles. The low-profile design keeps weight minimal while maintaining Trijicon's legendary return-to-zero performance—whether you're glassing from a cold blind or dialing in at a distant range.

Torque specs are straightforward: mount the base to the rail with 12–16 in.-lbs. of spring tension alone, or tighten up to 44–66 in.-lbs. for extra security. Ring caps cap at 14–16 in.-lbs. The mount clears objective lenses up to 56mm, and its 1.535" center height is dialed for co-witnessing or optimal scope viewing geometry depending on your setup. Made in the USA.

Key Features

• 34mm tube design for compatibility with modern precision rifle scopes
• 1.535" mounting height for low-mounted optics geometry
• Spring-loaded Q-LOC retention system holds zero without over-tightening
• Tool-free, one-handed mounting and removal
• Mil-spec 6061-T6 aluminum construction, drop-test rated
• Matte black anodized finish
• Compatible with mil-spec and NATO Picatinny rails
• Accommodates objective lenses up to 56mm
• Manufactured in the USA

Specifications

Frequently Asked Questions

Will this mount work on my AR-15 or other mil-spec rail?

Yes. The Trijicon Cantilever Mount is compatible with any mil-spec or NATO Picatinny rail system, making it suitable for AR-15s, AR-10s, and other modern sporting rifles with standard receiver-top or handguard rails.

What scope tube size does this mount fit?

This mount is designed for 34mm tube scopes. It will not fit 30mm or 1-inch scopes.

How do I use the Q-LOC mounting system?

The spring-loaded Q-LOC design allows you to install and remove your scope one-handed without tools. The spring tension maintains zero retention on the optic automatically; the tightening knobs can be secured further (up to 44–66 in.-lbs. on the rail) for added security, but the mount will hold zero even without over-tightening.

What is the height of this mount?

The distance from the top of your Picatinny rail to the optical axis (the center of the scope) is 1.535 inches. This low height is ideal for maintaining a natural cheek weld and sight picture on rifles with adjustable stocks or modern ergonomic setups.