Shield Trijicon ACOG Mount for CQS/SIS

• ACOG-specific interface: This mount is made to place a Shield CQS/SIS sight on a Trijicon ACOG, giving a compact secondary sighting option without improvised adapters.
• Lightweight aluminium body: At 50.00 g, it adds very little mass to the host optic, helping preserve balance on rifles set up for fast handling.
• Low-profile auxiliary mounting: By positioning a reflex sight above the primary prism optic, it supports a quick transition to close-range aiming while keeping the main sight in place.
• Purpose-built Shield interface: The mount uses the Shield SIS/CQS mounting standard, so fitment is matched to the sight body and installation is more straightforward than with universal solutions.
• All-metal field construction: The aluminium build suits hard use on sporting, tactical, and duty-style rifle setups where a mount must stay rigid under repeated handling.

About the Shield CQS/SIS Series

The Shield CQS/SIS series is built around mounting solutions and sighting accessories for Shield CQS and SIS optics. Within Shield’s lineup, this family serves users who want to adapt these larger reflex-style sights to different host platforms rather than limit them to a single rifle or carbine configuration. The series covers a broad spread of applications, from direct firearm mounting to optic-specific interfaces for established prism and combat optics.

A defining trait of the range is its platform-specific approach. Instead of relying only on generic rails, the series includes dedicated options for optics such as the Trijicon ACOG, Elcan Spectre, Browe BCO, and Cassidian/Zeiss ZO, alongside Picatinny variants and other adapters. That matters in practice because it allows the CQS or SIS sight to be integrated in a way that better matches the host optic’s shape, height, and intended role. Across the series, the design emphasis is on secure attachment, low added weight, and practical compatibility for users building a close-range supplementary sighting system around a primary optic.

About the Shield Trijicon ACOG Mount for CQS/SIS

The Shield Trijicon ACOG Mount for CQS/SIS is a dedicated mounting solution for fitting a Shield CQS or SIS sight to a Trijicon ACOG. Its role is straightforward but important: it lets a rifle keep the magnified prism optic as the primary sight while adding a fast-access reflex sight for shorter distances. On rifles set up for mixed engagement ranges, that arrangement reduces the need to work around fixed magnification when speed matters most.

The mount’s value comes from being purpose-built rather than universal. Because it is designed around the Shield SIS/CQS interface and the ACOG format, it offers a cleaner fit for this combination than a generic adapter approach. That helps maintain a neater overall package and supports more consistent sight placement. The aluminium construction keeps the mount rigid while avoiding unnecessary bulk, and the 50.00 g weight is light enough that it does not significantly change the handling of the host optic.

In practical use, this mount suits shooters who want to pair a prism scope with a non-magnified sight for faster target acquisition at close range. It is especially relevant on carbines and rifles configured for dynamic use, where a secondary sight can complement the ACOG’s strengths instead of replacing them. The result is a compact accessory that supports a more versatile optic setup without adding excessive complexity.

About Shield Sights

Shield International was formed in Great Britain in 1983, and the company focuses on designing and manufacturing firearm sights for military, law enforcement, and civilian use. Its product lines include mini red dot sights and rifle sights, with a long association with compact reflex optics in particular. Shield’s original mini red dot sight design dates to 1996, and those sights were also sold under names including Firepoint, Tasco Optima, Trijicon RedDot, and JPoint.

A notable part of the company’s history in this category is the development of the Close Quarter Battlesight for the UK military, followed by the civilian-oriented Close Quarter Sportsight in 2011. Shield is also known for a patented Mini Sight mechanism intended to allow co-witnessing with standard iron sights. This background explains the company’s emphasis on compact sighting systems and the dedicated mounts that support them.

Main Features

• Manufacturer: Shield Sights
• Mount series: Shield CQS/SIS
• Made in: United Kingdom
• Mounting Standard: Shield SIS/CQS
• Color: Black
• Material: Aluminium
• Weight: 50.00 g
• Compatibility: Shield SIS/CQS Mounting Standard

Warranty

Shield Sights provides a 2-year warranty for this mount. This stated warranty period suits a dedicated mounting accessory intended for regular field and range use.