Red Dot Sight Mounting Bases

The Holosun Absolute Co-Witness Mount is a simple but solid base that sets your micro red dot at the same height as your iron sights on an AR-style rifle. That means when you look through your optic, your irons line up directly in the same sight picture instead of sitting lower in the window. It’s built tough, usually from steel or reinforced aluminum depending on the version, and uses the standard Aimpoint Micro footprint for compatibility with Holosun 403/503-style optics. It’s not flashy at all—just a dependable, fixed-height mount for shooters who want a true “everything lined up” setup.

-Nathan (Technical Advisor)

The Holosun AEMS Low Mount is a simple, ultra-low-profile base made for the AEMS red dot series if you want your optic sitting closer to the bore. It keeps things tight and minimal, giving a more natural cheek weld on rifles with standard stock heights. Built from solid 6061 aluminum, it’s lightweight but still tough enough for recoil and regular use. It’s not flashy at all—just a clean, stable mounting option that lowers your optic height and keeps your setup as streamlined as possible.

-Nathan (Technical Advisor)

The Holosun HS510C Spacer is a simple add-on that bumps your HS510C red dot up to a lower 1/3 co-witness height. Basically, it lifts the optic slightly so your iron sights sit in the lower part of the window instead of right in the middle, giving you a cleaner sight picture while still keeping backups visible. It installs between the optic and the mount, adds almost no weight, and is made from solid aluminum so it still holds up to recoil and rough use. It’s a cheap, easy upgrade that just helps dial in your setup without changing anything major.

-Nathan (Technical Advisor)

The Holosun Lower 1/3 Co-Witness QD Mount is a simple but solid upgrade if you want a reliable way to run your red dot at the right height and still keep backup irons in the picture. It’s built for micro red dots and gives you that lower 1/3 co-witness setup, so your irons sit in the lower part of the window while the dot stays clean and unobstructed up top. The quick detach lever is the real bonus—you can pop the optic on or off fast without tools, and it’ll return to zero when you remount it. Made from tough aluminum with a compact, lightweight design, it’s basically a “fit it once and forget it” mount that keeps your setup flexible without messing up consistency.

-Nathan (Technical Advisor)

The Holosun Picatinny Rail Adapter for the 507C / 508T is a simple mount that lets you run those pistol optics on a rifle, PCC, or shotgun with a standard Picatinny rail. It basically turns your 507C or 508T into a versatile rifle-ready red dot without needing a dedicated slide cut or pistol mount. The adapter is low-profile, solid, and keeps the optic stable so you can maintain a consistent zero even under recoil. It’s a clean, no-drama way to expand what your optic can do across different platforms.

-Nathan (Technical Advisor)

The Spuhr A-0010 Trijicon RMR Interface is a precision-engineered adaptor that enables secure mounting of Trijicon RMR Type 1 and 2, Trijicon SRO, and compatible Holosun HS407C, HS507C and HS508T red dot sights to Spuhr ISMS scope mounts. Supplied with a shim plate and all necessary mounting screws, it offers straightforward installation and a dependable, low-profile fit. Lightweight yet robust, the A-0010 is ideal for tactical, competition and precision rifle setups. Please note it is not compatible with Spuhr Hunting Series mounts and rings.

The Spuhr Aimpoint ACRO Interface (A-0055) is a lightweight, precision-machined adaptor designed to mount Aimpoint ACRO P-1 and P-2 red dot sights to compatible Spuhr Interface systems, including ISMS scope mounts. Manufactured from durable 7075 T651 aluminium with a hard coat anodised finish, it delivers exceptional strength with minimal weight. The interface installs securely using the supplied Torx screws, while the sight's integrated mounting clamp ensures a stable, reliable fit for demanding tactical, competition and hunting applications.

The Spuhr DeltaPoint Interface (A-0009) provides a secure and precise mounting solution for attaching a Leupold DeltaPoint red dot sight to compatible Spuhr scope mounts. Also compatible with Firepoint, Tasco Optima, Trijicon RedDot and selected Shield Mini Sight, JPoint and US Optics MCRS models, it offers excellent versatility across multiple optic platforms. Precision-engineered for a stable fit, the interface includes all required mounting screws for straightforward installation. Please note it is not compatible with Spuhr Hunting Series mounts and rings.

The Spuhr QDM-2002B Micro Mount, Lower 1/3 is a precision-engineered quick-detach mount designed to provide exceptional stability and reliability for Aimpoint Micro and other compatible red dot sights. Built for demanding environments, it delivers a secure, repeatable mounting platform while maintaining a Lower 1/3 co-witness height for optimal sight alignment. Manufactured to Spuhr's renowned standards, it offers outstanding durability and precision. Please note: the Aimpoint red dot shown in product images is not included.

The Vector Optics 30mm X-ACCU Mount Assembly Kit – 4 Holes is a versatile solution designed to expand the functionality of your riflescope. Engineered from durable 6061-T6 aluminium alloy with a sleek matte black finish, this mount kit allows shooters to securely attach a red dot sight directly on top of a 30mm riflescope, either vertically or at a 45° angle. Complete with multiple adapters, screws, and a riser mount, it provides a reliable and adaptable platform to meet a wide range of shooting needs.

• 30mm mount kit designed to attach a red dot sight on top of a riflescope
• Includes a 6-hole scope ring top, short Picatinny rail, and riser mount
• Supplied with MOJ and MAG footprint adapters for red dot compatibility
• Flexible installation – mount vertically or at 45° angle
• Four screw sets of different lengths to meet varied mounting needs
• Lightweight and durable aluminium alloy construction with matte black finish

The Vector Optics Universal Red Dot Adapter is a lightweight, durable accessory designed for CZ Shadow 2®, CZ 75 Shadow®, CZ 75 SP-01®, and CZ P-10 C® models. Crafted from premium 7075-T6 aluminium alloy, it provides a stable and secure platform for mounting red dot sights. Compatible with Frenzy-X series and all Frenzy MAG, MOJ, TEK, and GIN footprint optics, this matte black adaptor offers seamless integration, exceptional reliability, and versatility, making it an essential upgrade for precision shooting.

• Vector Optics MOJ to VOD Adapter Used for SCRD-63 Line Enclosed Red Dot Sight
• Extreme Low Profile, Fit on MOJ Interface, Precision CNC Machined, Made of Steel

• Vector Optics MAG Footprint That Is Compatible with RMS Footprint.
• Made of Steel
• Fit G17 etc Pistols with MOS System
• CNC Machined

• Designed to fit Marui Airsoft GLOK pistols
• Compatible with Doctor and VT footprint red dot sights
• Lightweight construction at only 12g (0.4oz)
• Made from high-strength 6061-T6 aluminium alloy
• Compact 45.3mm length for a streamlined, low-profile fit
• Black matte finish for a professional and discreet appearance

• Designed for Tokyo Marui G17, G23, and G19 Glock pistols
• Compatible with MAG footprint optics
• Perfect fit for Vector Optics SCRD-43 & SCRD-49 red dot sights
• Made from durable nylon polymer for strength and reliability
• Extremely lightweight at only 3.5g
• Compact 40mm design for a low-profile mounting solution

• 28mm (1.1") Saddle Height Profile
• Cantilever Style
• 21mm Weaver Mount
• 1/3 Lower Co-witness
• MAG Footprint (RMS-c Compatible Footprint)
• Fit Vector Optics Frenzy-S MIC and AUT Red Dot Sight
• Compact and Lightweight
• Made of Plastic Polymer
• Designed for Real Firearms

• 28mm (1.1") Saddle Height Profile
• Cantilever Style
• 21mm Weaver Mount
• Lower 1/3 Co-witness
• Vector Optics MAG Footprint (RMSc)
• Fit Vector Optics Frenzy-S MIC
• AUT Red Dot Sight 

• Specifically designed for AR platform
• Very light and compact
• Precision CNC machined
• 1913 picatinny mount

• Low Profile
• TEK Footprint
• 6mm 0.3in Profile
• Fit Vector Optics Frenzy SCRD-19II, SCRD-35, SCRD-40 Reflex Sight

• 45° angled offset for rapid transition to secondary optics
• MAG footprint compatible with R.M.S red dot sights
• High-quality 6063-T6 aluminium construction
• Low-profile height of 20.44 mm (0.8 in)
• Compact length of 41 mm (1.6 in)
• Ultra-lightweight at just 11 g (0.4 oz)
• Designed exclusively for the SCPSM-01 Cantilever Mount

• Vector Optics RUM-PG Footprint That Is Compatible with MICRO T1 Footprint
• Extreme Low Profile, 21mm 1913 Picatinny Mount, Full Metal CNC Well Machined

• Height: 28mm / 1.1"
• Receiver Length: 46.5mm / 1.83"
• Mount Length: 40mm / 1.6"
• Weight: 42g / 1.5oz
• Material: 6061-T6
• Finish: Black matte

• Fit Frenzy Red Dot Sight RD-19II, RD-35 and RD-40, Compatible w/ D.o.c.t.e.r Footprint.
• 21mm Picatinny Mount, 45° Offset Style, M3.5 Screw Hole, Full Metal.

The Vector Optics VAS™ 45° Offset Red Dot Adapter enables rapid transition between primary optics and a secondary red dot, improving speed and target acquisition in close-range scenarios. Compatible with SCRA mounts, it provides flexible and secure offset installation. Its support for multiple adapter types ensures broad compatibility across red dot platforms. Built from lightweight yet durable 6061-T6 aluminium, the compact design delivers reliable performance without adding unnecessary bulk to your setup.

The Vector Optics VAS™ Red Dot Sight Picatinny High Riser Mount offers a modular platform compatible with VAS™ adapters, supporting a wide range of pistol red dot footprints. Its high 2.26-inch centre height provides an elevated sight picture for improved ergonomics on AR platforms. The solid Picatinny base ensures secure and repeatable mounting, maintaining zero during use. Built from durable 6061-T6 aluminium, it combines strength with a lightweight, compact design for reliable performance.

The Vector Optics VAS™ Red Dot Sight Picatinny Low Mount provides a modular platform compatible with VAS™ adapters, supporting a wide range of pistol red dot footprints. Its low-profile design with optimised centre height ensures a natural sight alignment, especially on AR platforms. The solid Picatinny base offers secure and repeatable mounting, maintaining reliability in use. Built from durable 6061-T6 aluminium, it combines strength with a lightweight design for dependable performance.

The Vector Optics VAS™ Red Dot Sight Picatinny Low Mount provides a modular platform compatible with VAS™ adapters, supporting a wide range of pistol red dot footprints. Its low-profile design with optimised centre height ensures a natural sight alignment, especially on AR platforms. The solid Picatinny base offers secure and repeatable mounting, maintaining reliability in use. Built from durable 6061-T6 aluminium, it combines strength with a lightweight design for dependable performance.

• Made of lightweight & solid Aluminum Alloy
• A mounting plate designed to fit red dot sights to TM based Hi-Capa 5.1 pistols.
• Replaces Rear Sight
• Great fit with Vector Optics micro red dot sights
• Rear sight red dot adapter, friendly for Airsoft palyers who wish to attach a red dot sight to their air pistol in order to add more accuracy

• 21mm Picatinny QD Mount 
• Cantilever
• 20.5mm 0.8 Inch High Profile

• Ensures the correct lower 1/3 co-witness sight height
• Positive lock, one-handed operation
• Type III hard-coat-anodized machined aluminum construction