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Description
A cantilever mount for the Trijicon ACOG and VCOG riflescopes that sets optic position for correct eye relief on any Picatinny rail, with quick-release, return-to-zero mounting.
The Trijicon Cantilever Mount with Q-LOC Technology fits Trijicon ACOG and VCOG riflescopes and sets them at a height above rail of 1.535 in. (38.99mm), suiting any Mil-Spec or NATO Picatinny rail. It is machined from 6061-T6 aluminium for a low-weight, low-profile mount with precise return-to-zero performance.
It attaches without tools, using multiple recoil lugs for total rail engagement and heavy-duty spring retention that keeps the optic secure and holds zero even when the mounting knobs are not fully tightened, allowing one-handed mounting.
Key features
- Quick-release, return-to-zero — Multiple proprietary recoil lugs give total rail engagement, so the mount can be removed and reattached without needing to reconfirm zero.
- Automatic retention — Heavy-duty springs keep the optic securely retained under heavy, repeated recoil and allow one-handed mounting.
- Snag-resistant knobs — A compact, circular knob design reduces the risk of the mount snagging on gear.
- Precision-cut fit — Precision-cut dimensions ensure a secure fit on MIL-STD 1913, NATO, non-mil-spec and even damaged rails.
- Eye relief adjustment — The cantilever design lets the position of the optic be adjusted along the rail to obtain proper eye relief.
- Defined torque spec — Spring tension alone holds the mount at 12-16 in./lbs, and it can be tightened up to 30-38 in./lbs.
Typical applications
- Mounting an ACOG or VCOG riflescope on any Picatinny-rail rifle for duty or range use.
- Fielding the optic where fast removal and reliable return to zero are needed, such as swapping the sight between rifles.
- Setting up the optic for correct eye relief on a specific rifle platform.
Technical specifications
| Weight | 3.32 oz. (94.12g) |
| Length | 5.1 in (129.54mm) |
| Width | 2.07 in (52.58mm) |
| Height above rail | 1.535 in. (38.99mm) |
In the box
- 1 × Cantilever Mount with Trijicon Q-LOC™ Technology for ACOG® and VCOG® — Fits ACOG® and VCOG® Riflescopes, Height Above Rail: 1.535 in.
- 2 × Screws
- 1 × Hex Key
Model information
| Brand | Trijicon |
| Model | Cantilever Mount with Trijicon Q-LOC™ Technology for ACOG® and VCOG® — Fits ACOG® and VCOG® Riflescopes, Height Above Rail: 1.535 in. |
| MPN | AC12043 |






