BDM 4 – Bitty Dot Mount for Trijicon RMR Review

The BDM 4 – Bitty Dot Mount for Trijicon RMR Made a Bold First Impression

For years, I’ve struggled with finding a reliable, low-profile red dot mounting solution for my AK platform rifles. Many mounts are either too bulky, sit too high, or simply don’t hold zero after a few magazines downrange. That’s why the BDM 4 – Bitty Dot Mount for Trijicon RMR from TWS immediately caught my attention.

I needed a mount that was both rugged and kept my Trijicon RMR as close to the bore axis as possible. My goal was to achieve a natural cheek weld and a lower 1/3 co-witness with my iron sights.

Upon unboxing, I was immediately struck by the BDM 4’s minimalist design and robust construction. It felt incredibly solid in my hands, defying its remarkably light weight. At only 1.3 oz, this mount felt far more substantial than its weight suggested.

Compared to some bulkier AK optic mounts I’ve used from Midwest Industries and even some custom-made affairs, the BDM 4 promised a significantly lower profile. I ultimately chose it for its promise of being the “smallest, lightest, beefiest” RMR mount available. I was hoping for a game-changer.

My initial impression was one of cautious optimism. The design looked promising, but the proof would be in the pudding – how well it held zero, how easy it was to install, and how it held up to the abuse I planned to put it through.

Real-World Testing: Putting BDM 4 – Bitty Dot Mount for Trijicon RMR to the Test

First Use Experience

My first opportunity to test the BDM 4 – Bitty Dot Mount for Trijicon RMR came at a local rifle range nestled in the high desert. The environment was dry, dusty, and offered a mix of close-quarters drills and longer-range targets. I mounted the BDM 4 on my trusty Yugo M70 AK variant.

Installation was surprisingly straightforward, using the proven nut plate design borrowed from the TWS G3 DogLeg rail. The single larger bolt instilled confidence compared to other mounts that rely on multiple smaller screws that are prone to stripping. Co-witnessing with my iron sights was easily achieved, providing a clean lower 1/3 view through the RMR.

After the first few magazines, I was impressed with the mount’s stability. The RMR held zero consistently. Despite the dry and dusty conditions, the mount remained secure, and the sight picture remained clear.

Extended Use & Reliability

Several months of consistent use and various range trips later, the BDM 4 – Bitty Dot Mount for Trijicon RMR has proven itself to be a reliable piece of kit. I’ve used it in temperatures ranging from freezing mornings to scorching afternoons. It has also seen use in light rain with no noticeable impact on performance.

Durability has been excellent. The hard anodized finish shows minimal signs of wear, even after being bumped around in gun cases and exposed to the elements. Cleaning is simple, requiring just a quick wipe down with a cloth.

Compared to previous AK optic mounting experiences, the BDM 4 has exceeded my expectations. It offers a lower profile, a more secure mounting solution, and a level of durability that I haven’t found in other products.

Breaking Down the Features of BDM 4 – Bitty Dot Mount for Trijicon RMR

Specifications

• The BDM 4 is designed specifically for the Trijicon RMR red dot sight. This ensures a perfect fit and optimal performance.
• It weighs a mere 1.3 oz, making it one of the lightest RMR mounts available for AK platforms. This minimizes added weight and maintains weapon balance.
• Constructed from 6061-T6 Aluminum, the mount offers exceptional strength and durability while remaining lightweight. The material choice is critical for long-term reliability.
• The matte hard black anodize finish provides excellent corrosion resistance and a non-reflective surface. This ensures the mount remains protected in harsh environments.
• The integrated rear sight maintains the original AK design, offering a familiar and reliable backup sighting system. This is a valuable feature for those who prioritize redundancy.
• The mount attaches securely to the rear sight block using the proven nut plate design from the TWS G3 DogLeg rail. This design ensures a rock-solid connection.
• A single larger bolt secures the entire system, eliminating the risk of stripping smaller screws. This simplifies installation and enhances overall reliability.
• It offers the lowest possible optic mount surface, achieving a lower 1/3 co-witness with standard AK iron sights. This allows for a natural shooting posture and quick target acquisition.
• The large front tab with girder design provides exceptional stiffness and reduces flex under recoil. This enhances the mount’s ability to hold zero.
• The BDM 4 is compatible with Russian and Yugo pattern AK rifles with standard rear sight blocks. This makes it a versatile option for many AK owners.

Performance & Functionality

The BDM 4 – Bitty Dot Mount for Trijicon RMR performs its job exceptionally well. It provides a stable and secure platform for the Trijicon RMR, ensuring consistent zero retention even under heavy use. It enhances accuracy and target acquisition speed.

Its strength lies in its simplicity and robust construction. There are no complicated mechanisms or fragile components that could fail. A potential weakness could be its specific compatibility with only RMR footprint optics, limiting versatility if you decide to switch to a different red dot in the future.

The mount meets and, in some cases, exceeds expectations. Its low profile, lightweight design, and exceptional durability make it a standout performer.

Design & Ergonomics

The BDM 4 features a minimalist design that blends seamlessly with the AK platform. The 6061-T6 aluminum construction provides a solid feel without adding unnecessary weight. The lower 1/3 co-witness allows for a comfortable and natural cheek weld.

The mount is user-friendly, with a simple installation process that requires no specialized tools or permanent modifications. The single bolt design simplifies installation, making it accessible to users of all skill levels.

Durability & Maintenance

The BDM 4 – Bitty Dot Mount for Trijicon RMR is built to last. Its robust construction and hard anodized finish ensure it can withstand the rigors of demanding use. Regular cleaning is all that’s needed to keep it in top condition.

Maintenance is straightforward, requiring only occasional cleaning to remove dirt and debris. The single-bolt design simplifies disassembly for more thorough cleaning or inspection.

Accessories and Customization Options

The BDM 4 doesn’t come with any additional accessories, as it’s a standalone mounting solution. The primary customization option is the choice of red dot sight, specifically the Trijicon RMR.

While it’s designed for the RMR, its compatibility with standard AK rear sight blocks allows for integration with various aftermarket AK components. This includes different handguards, stocks, and other accessories.

Pros and Cons of BDM 4 – Bitty Dot Mount for Trijicon RMR

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Who Should Buy BDM 4 – Bitty Dot Mount for Trijicon RMR?

The BDM 4 – Bitty Dot Mount for Trijicon RMR is perfect for AK enthusiasts seeking a low-profile, lightweight, and exceptionally durable RMR mounting solution. It is ideal for tactical shooters, competitive shooters, and hunters who prioritize a clean sight picture and reliable performance.

Those who should skip this product are individuals who prefer optics other than the Trijicon RMR, or those looking for the absolute cheapest mounting option, regardless of quality.

A must-have modification, if you can call it that, is a quality Trijicon RMR red dot sight. Aside from that, no other specific modifications are strictly required.

Conclusion on BDM 4 – Bitty Dot Mount for Trijicon RMR

The BDM 4 – Bitty Dot Mount for Trijicon RMR is a well-designed and meticulously crafted optic mount that punches well above its weight class. It offers a winning combination of low profile, lightweight design, and exceptional durability, making it a standout choice for AK owners looking to mount a Trijicon RMR. The TWS Bitty Dot Mount delivers performance.

The price is justified, considering the quality of materials, robust construction, and the significant improvement it offers over other AK optic mounts. It’s an investment in reliability and accuracy.

I would wholeheartedly recommend the BDM 4 to anyone seeking a premium RMR mounting solution for their AK platform rifle. Upgrade your AK today! You won’t regret it.

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