Optimizing Your Optics: The TruGlo TG8990B Picatinny Riser Mount

The modern firearm enthusiast constantly seeks ways to enhance their shooting experience, improve accuracy, and ensure optimal comfort. Whether you're a competitive shooter, a dedicated hunter, or a tactical professional, the right accessories can make all the difference. One crucial element in achieving peak performance is proper optics mounting. This is where a high-quality picatinny riser mount, such as the TruGlo TG8990B, becomes an indispensable tool. Designed to elevate your chosen optics, this matte black anodized aluminum riser ensures your scope, red dot, or holographic sight is positioned perfectly for rapid target acquisition, comfortable cheek weld, and an unobstructed sight picture.

What is a Picatinny Riser Mount and Why Do You Need One?

A picatinny riser mount is an accessory designed to increase the height of an optic or other accessory mounted on a standard Picatinny (MIL-STD-1913) rail. While firearms like the AR-15 often come equipped with integrated Picatinny rails on their upper receivers, the height of these rails may not always be ideal for every shooter or every type of optic.

Common Reasons to Utilize a Riser Mount:

• Optimal Eye Relief and Sight Picture: Different optics, particularly scopes, require specific eye relief (the distance between your eye and the optic's ocular lens) for a full, clear image. A riser can adjust the optic's height to align perfectly with your natural shooting posture, preventing neck strain and allowing for faster, more natural target acquisition.
• Achieving Proper Cheek Weld: A consistent cheek weld – the firm contact between your cheek and the rifle stock – is fundamental for accurate shooting. If your optic is too low, you might have to crane your neck uncomfortably or lift your head off the stock, leading to inconsistent shots. A riser elevates the optic, allowing you to maintain a solid, comfortable cheek weld.
• Co-Witnessing Iron Sights with Optics: For many AR-15 users, the ability to "co-witness" primary optics (like red dots) with backup iron sights is crucial. This means that if your primary optic fails, you can still use your iron sights through the optic's window. Risers facilitate different co-witness levels:
  • Absolute Co-witness: The red dot reticle aligns perfectly with the iron sights when viewed through the optic.
  • Lower 1/3 Co-witness: The red dot reticle appears in the upper two-thirds of the optic's window, with the iron sights visible in the lower third. This provides a less cluttered sight picture with the optic while still offering immediate access to iron sights.
• Clearing Obstructions: Sometimes, the front sight post of an AR-15, especially on a fixed front sight, can obstruct the lower portion of an optic's field of view. A riser can lift the optic high enough to clear this obstruction, providing a clearer sight picture.
• Mounting Larger Optics or Magnifiers: Some larger scopes or combinations of red dots and magnifiers may require additional clearance from the rifle's receiver or handguard. A riser provides this necessary space.

The TruGlo TG8990B: A Closer Look at its Superior Design and Functionality

The TruGlo TG8990B Picatinny Riser Mount stands out as a robust and reliable solution for elevating your optics. Crafted with precision and engineered for durability, it embodies TruGlo's commitment to quality firearm accessories.

Key Features and Design Advantages:

• Integrated Recoil Lug: This is a critical feature that sets the TG8990B apart. An integrated recoil lug, often machined directly into the mount, mates with the corresponding slot on the Picatinny rail. This design element is paramount for stability. It prevents any forward or backward movement of the optic mount under recoil, ensuring zero retention even after repeated firing. This translates directly into consistent accuracy, shot after shot. Without a proper recoil lug, even the slightest shift can compromise your point of impact.
• High-Quality Aluminum Construction: The mount is meticulously machined from durable aluminum. This material choice offers an optimal balance of strength and lightweight characteristics. Firearms accessories need to be rugged enough to withstand the harsh conditions of shooting environments, yet light enough not to add unnecessary bulk to your firearm. Aluminum fulfills both these requirements, contributing to the overall balance and maneuverability of your rifle.
• Matte Black Anodized Finish: The surface of the TG8990B is treated with a matte black anodized finish. Anodizing is an electrochemical process that converts the metal surface into a durable, corrosion-resistant oxide finish. This not only provides a sleek, non-reflective aesthetic that blends seamlessly with most firearms but also offers superior protection against wear, scratches, and environmental elements like moisture and dust. This finish ensures your riser mount maintains its professional appearance and structural integrity over time.
• Precise Dimensions for Versatility:
  • Length: 4.00 inches: This length provides ample rail space for securing a wide variety of optics, from compact red dots to longer rifle scopes. It ensures multiple clamping points for maximum stability.
  • Mount Height: 1.00 inch: This specific height (often referred to as a "1-inch rise") is a popular choice for AR-15 platforms, as it commonly facilitates lower 1/3 co-witness with standard AR iron sights, or provides sufficient elevation for many magnified optics to achieve comfortable eye relief and cheek weld.
• Single-Piece Construction: The TG8990B is designed as a single, solid piece. This monolithic construction inherently reduces points of potential failure or flex, contributing to greater rigidity and improved zero retention compared to multi-piece designs.
• Effortless Attachment: The mount is designed to quickly and securely attach to any existing Picatinny rail. Its user-friendly design means you can easily install or remove your optics without requiring specialized tools, allowing for quick configuration changes depending on your shooting needs.

Applications and Compatibility: Who Benefits from the TruGlo TG8990B?

The TruGlo TG8990B Picatinny Riser Mount is an essential upgrade for a broad spectrum of users and firearm platforms.

Ideal Users:

• AR-15 Owners: This riser is specifically optimized for the AR-15 platform, which often benefits immensely from a slight increase in optic height for improved ergonomics and co-witnessing capabilities. Whether you're building a new AR or upgrading an existing one, the TG8990B is a fundamental component for your optics setup.
• Rifle Shooters: Any rifle equipped with a Picatinny rail system, beyond just the AR-15, can benefit from this riser. This includes various tactical rifles, hunting rifles, and even some precision bolt-action rifles where an elevated optic mount is desired.
• Hunters: Achieving a comfortable and quick sight picture is paramount in hunting scenarios. The TG8990B can help hunters maintain proper posture and acquire targets faster, improving ethical shot placement.
• Competitive Shooters: For disciplines like 3-Gun or IPSC, where speed and precision are critical, optimizing your optic's height for rapid transitions and consistent accuracy is a game-changer.
• Law Enforcement and Military Personnel: Professionals who rely on their firearms in demanding situations need reliable and robust mounting solutions that maintain zero under extreme conditions. The integrated recoil lug and durable construction make the TG8990B a trustworthy choice.

Compatible Optics:

The TruGlo TG8990B is compatible with virtually any optic that features a Picatinny-compatible base or rings. This includes:

• Red Dot Sights (e.g., Aimpoint, EOTech, Holosun, Sig Sauer, Vortex)
• Holographic Weapon Sights (HWS)
• Magnified Rifle Scopes (when used with Picatinny-compatible scope rings)
• Prism Scopes
• Night Vision Optics
• Thermal Optics
• Laser Sights and Flashlights (if mounting these accessories higher up is desired)

Optimizing Your Shooting Experience with TruGlo

Investing in a quality riser mount like the TruGlo TG8990B is an investment in your shooting performance. By fine-tuning the height of your optic, you unlock several key advantages:

• Enhanced Comfort and Reduced Fatigue: A properly positioned optic reduces neck strain and allows for a more relaxed, natural shooting stance. This is especially beneficial during extended shooting sessions or when training for long periods.
• Faster Target Acquisition: With your eye naturally aligned with the optic, acquiring your target becomes a seamless and rapid process. This is crucial in dynamic shooting environments or high-stress situations.
• Improved Accuracy and Consistency: Maintaining a consistent cheek weld and eye relief directly translates to more precise and repeatable shot placement. The integrated recoil lug ensures that your zero holds, shot after shot, allowing you to trust your setup implicitly.
• Greater Versatility: The ability to easily adjust your optic's height means your firearm can be more readily adapted to different shooting scenarios, body types, or even different optic choices without needing permanent modifications.
• Durability You Can Trust: TruGlo is a brand renowned for producing high-quality, reliable firearm accessories. The TG8990B is a testament to this commitment, designed to withstand the rigors of recoil and environmental exposure, ensuring longevity and consistent performance.

When considering where to purchase essential firearm accessories like the TruGlo TG8990B Picatinny Riser Mount, it's vital to choose a reputable dealer that offers genuine products and excellent customer service. DEGuns stands as a premier destination for all your firearm and accessory needs, including the full range of TruGlo products. Their expertise ensures you receive authentic, high-performance gear.

Installation and Care for Your TruGlo Riser Mount

Installing the TruGlo TG8990B is straightforward, allowing you to quickly get back to the range.

1. Preparation: Ensure your firearm is unloaded and safe.
2. Placement: Align the integrated recoil lug of the TruGlo riser with one of the slots on your existing Picatinny rail.
3. Secure Fasteners: Tighten the cross-bolt or screw(s) on the mount evenly and firmly. Many mounts require torquing to a specific pound-inch setting; consult the instructions for your specific optic or mount if available. Do not overtighten, as this can damage the rail or the mount.
4. Mount Optic: Once the riser is securely attached, mount your scope or dot optic onto the TruGlo TG8990B riser following the manufacturer's instructions for your specific optic. Ensure proper eye relief and levelness.
5. Zeroing: Always re-zero your optic after mounting or re-mounting to ensure accuracy.

For care, simply wipe down the aluminum surface with a clean cloth. Avoid harsh chemicals that could damage the anodized finish. Periodically check that all fasteners remain tight, especially after extensive shooting sessions.

In conclusion, the TruGlo TG8990B Picatinny Riser Mount is more than just an accessory; it's a fundamental upgrade that significantly enhances your firearm's ergonomics, accuracy, and versatility. By providing that crucial inch of elevation, it allows shooters to achieve optimal eye relief, a consistent cheek weld, and the ability to effectively co-witness, ultimately leading to a more comfortable, efficient, and precise shooting experience. For anyone looking to maximize the potential of their AR-15 or other Picatinny-equipped rifle, this durable, precisely engineered riser mount from TruGlo is an invaluable addition available at trusted retailers like DEGuns.

Product Specifications: TruGlo TG8990B Picatinny Riser Mount

Feature	Detail
Brand	TruGlo
Model	Picatinny Riser Mount
SKU	TG8990B
UPC	788130018248
Firearm Fit	AR-15
Firearm Type	Rifle
Mount Type	Picatinny Rail
Color	Matte Black Anodized
Material	Aluminum
Length	4.00"
Mount Height	1.00"
Pieces	1