Primary Arms GLx Cantilever Scope Mount, 34mm, 0 – 1 out of 2 models Review

What Makes Primary Arms GLx Cantilever Scope Mount, 34mm, 0 – 1 out of 2 models Stand Out?

In the world of AR-platform optics, finding the right mount is just as critical as selecting the perfect scope. The Primary Arms GLx Cantilever Scope Mount, 34mm, 0 MOA, promises to deliver a robust, lightweight, and precisely engineered solution for mounting your favorite 34mm optic. With its cantilevered design, it’s specifically tailored to ensure optimal eye relief on AR-style rifles, a common challenge for many shooters.

For years, I’ve struggled with finding a scope mount that provided consistent zero and held up to the rigors of hard use. Too many mounts either shift under recoil or add unnecessary weight, throwing off the balance of the rifle. I was looking for a mount that could confidently handle my precision AR build, providing rock-solid stability without turning my rifle into a boat anchor.

My initial experience involved receiving the mount in secure packaging. I immediately noticed the clean machining and durable-looking finish. The mount felt solid in my hands, suggesting high-quality construction.

Compared to the Aero Precision Ultralight 34mm Scope Mount and the Scalarworks LEAP/08 34mm Mount, the Primary Arms GLx Cantilever Scope Mount strikes a compelling balance between weight, price, and features. The Aero is lighter, but potentially less robust, while the Scalarworks is incredibly strong but significantly more expensive. I chose the GLx because I felt it offered the best combination of durability and affordability.

My first impression was a definite excitement. This mount appeared to be exactly what I needed to bridge the gap between budget-friendly options and top-tier, wallet-draining solutions. The National Tactical Officers Association (NTOA) Silver-tier rating also gave me confidence in its quality.

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Real-World Testing: Putting Primary Arms GLx Cantilever Scope Mount, 34mm, 0 – 1 out of 2 models to the Test

First Use Experience

My first test of the Primary Arms GLx Cantilever Scope Mount took place at my local shooting range. I mounted a Vortex Razor HD Gen II 4.5-27×56 scope on my AR-15 chambered in 6.5 Grendel. The range offered both covered and uncovered shooting positions, allowing me to evaluate the mount in various lighting conditions.

The Primary Arms GLx mount performed flawlessly in dry conditions. Eye relief was perfect, and I was able to quickly establish a solid cheek weld. Zeroing the scope was straightforward, and the mount held zero through multiple strings of fire.

The ease of use was immediately apparent. The T15 cap screws and the steel cross bolts made installation simple and secure. No complicated procedures were necessary.

After about 50 rounds, I checked the screws and found they were still at the proper torque. There were no shifting of zero or any other issues.

Extended Use & Reliability

After several months of consistent use, the Primary Arms GLx Cantilever Scope Mount continues to impress. I’ve taken it through multiple range sessions and even a weekend-long precision rifle course. The mount has remained steadfast and reliable throughout.

Durability has proven to be a strong suit. Despite being exposed to various weather conditions and the occasional bump, the mount shows no signs of wear or loosening. The hard coat anodized finish has held up remarkably well, resisting scratches and abrasions.

Maintenance is minimal. I simply wipe down the mount after each use to remove any dirt or debris. Periodically checking the screw torque is the only other maintenance required.

Compared to my previous experiences with less expensive mounts, the Primary Arms GLx far exceeds expectations. Those other mounts consistently failed to maintain zero or would eventually loosen under recoil. The GLx has completely eliminated those issues.

Breaking Down the Features of Primary Arms GLx Cantilever Scope Mount, 34mm, 0 – 1 out of 2 models

Specifications

• The Primary Arms GLx Cantilever Scope Mount is designed for scopes with a 34mm tube diameter. This is a common size for many high-performance optics.
• It provides a 0 MOA cant, making it ideal for close to mid-range applications. This means the scope is mounted parallel to the bore.
• The centerline height is 1.5 inches, accommodating scopes with up to 56mm objective lenses. This ensures proper clearance above the rail.
• It is constructed from lightweight and durable 6061-T6 aluminum. This provides a balance of strength and weight savings.
• The mount features a MIL-SPEC hard coat anodized finish. This provides excellent corrosion resistance and durability.
• Hardware is Zinc Phosphate coated for enhanced corrosion resistance. This is an essential feature, particularly when exposed to the elements.
• It features high-strength steel cross bolt lugs, ensuring a secure and reliable attachment to the Picatinny rail. These lugs prevent movement under heavy recoil.
• Convenient T15 cap screws simplify installation and adjustment. These screws are easy to work with using a standard Torx wrench.
• Uses #8 Torx fasteners with steel inserts to prevent stripping. This adds to the durability and longevity of the mount.
• Weighing just 6.7 ounces, it minimizes added weight to your rifle. This keeps the rifle maneuverable.
• It is backed by Primary Arms’ lifetime warranty, providing peace of mind. This is a testament to the company’s confidence in its product.

These specifications are crucial because they directly impact the mount’s ability to securely hold the scope, maintain zero, and withstand the stresses of recoil. The materials and design choices ensure reliable performance and long-term durability.

Performance & Functionality

The Primary Arms GLx Cantilever Scope Mount performs its job admirably. It securely holds the scope, maintains zero under recoil, and provides optimal eye relief for AR-platform rifles. Accuracy is improved with a stable optic platform, and usability is enhanced by a simple and secure installation process.

One of its strengths is the rock-solid mounting platform it provides. Another is the precise machining that ensures a perfect fit with both the scope and the rail. The only potential improvement would be offering different MOA cant options for long-range shooting, but the 0 MOA configuration is perfect for most AR applications.

The mount meets and exceeds expectations for a mid-range scope mount. It offers performance and durability typically found in higher-priced options.

Design & Ergonomics

The build quality is excellent. The 6061-T6 aluminum is lightweight yet robust, and the MIL-SPEC hard coat anodized finish provides a durable and professional look. The mount feels solid and well-made in hand.

The design is user-friendly. The T15 cap screws are easy to access and torque, and the cantilevered design makes it simple to achieve proper eye relief. There is virtually no learning curve.

Durability & Maintenance

The Primary Arms GLx Cantilever Scope Mount is built to last. The high-quality materials and durable finish ensure it can withstand the rigors of regular use. With proper care, this mount should provide many years of reliable service.

Maintenance is minimal. Simply wiping down the mount after use and periodically checking the screw torque are sufficient to keep it in top condition.

Accessories and Customization Options

The Primary Arms GLx Cantilever Scope Mount does not require any additional accessories for basic use, but some users may want to consider a torque wrench for proper installation. There are no specific customization options for the mount itself, but it is compatible with a wide range of 34mm scopes.

It works with any AR-15 upper receiver and Picatinny rail system. As well, it interfaces seamlessly with most 34mm tube optics.

Pros and Cons of Primary Arms GLx Cantilever Scope Mount, 34mm, 0 – 1 out of 2 models

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Who Should Buy Primary Arms GLx Cantilever Scope Mount, 34mm, 0 – 1 out of 2 models?

The Primary Arms GLx Cantilever Scope Mount is perfect for:

• AR-15 owners looking for a reliable and durable scope mount.
• Hunters and competitive shooters who need a stable platform for their optics.
• Tactical shooters who demand high performance in demanding situations.

Who should skip this product?

• Shooters who require adjustable MOA cant for extreme long-range shooting.
• Users who prefer ultra-lightweight mounts at any cost.

A must-have accessory is a quality torque wrench to ensure proper screw torque during installation. Also, consider purchasing a thread-locking compound for added security.

Conclusion on Primary Arms GLx Cantilever Scope Mount, 34mm, 0 – 1 out of 2 models

The Primary Arms GLx Cantilever Scope Mount, 34mm, 0 MOA, is a well-engineered and durable scope mount that offers excellent value for the price. It provides a rock-solid platform for your optics, ensuring consistent accuracy and reliable performance.

The price is justified by the quality of the materials, the precise machining, and the overall performance of the mount. It offers a significant upgrade over budget-friendly options without breaking the bank.

I would personally recommend this mount to anyone looking for a dependable and affordable solution for mounting a 34mm scope on an AR-platform rifle. The NTOA Silver-tier rating and the lifetime warranty provide additional confidence in its quality and reliability. Upgrade your rifle today with the Primary Arms GLx Cantilever Scope Mount and experience the difference!