The Ruger Precision Handguard – 6005A-T6 Aluminum, Black Anodized (90589 / UPC 736676905898) is a genuine Ruger factory upgrade for the Ruger Precision® Rifle short-action models. Precision-machined from lightweight aluminum and finished in a tough Type III Mil-Spec black hard coat anodizing, this 15" KeyMod™ handguard gives long-range shooters more scope clearance, a rock-solid bipod mounting surface, and a clean, competition-ready profile. ShopRuger+2DFC Arms+2
Factory Ruger Precision Rifle Handguard Upgrade
Designed specifically for the Ruger Precision Rifle (short action), the 90589 handguard is a direct Ruger replacement/upgrade that maintains the rifle’s precision and reliability while expanding its capability. It is not compatible with AR-pattern rifles, ensuring a tight, purpose-built fit on the RPR platform only. ShopRuger+2Cheaper Than Dirt+2
Genuine Ruger® factory accessory
Engineered for Ruger Precision Rifle, short-action calibers only
Maintains true alignment and consistent point of impact over time
Using an OEM handguard means your precision rifle stays “in spec” with the same design intent Ruger built into the original chassis.
6005A-T6 / 6061-T6 Aluminum & Hard Coat Anodized Finish
The Ruger Precision Handguard 90589 is built from high-strength 6005A-T6 / 6061-T6 aluminum, chosen for its excellent balance of rigidity, machinability, and weight savings. It’s then finished with a Type III Mil-Spec hard coat black anodizing that stands up to rough field use, barricade work, and regular match handling. ShopRuger+2Classic Firearms+2
Key construction benefits:
High-strength aluminum for a rigid, stable free-float platform
Type III hard coat black anodizing for enhanced wear and corrosion resistance
Smooth, low-glare black finish that complements the Ruger Precision Rifle’s tactical look
This combination gives you a handguard that’s tough enough for hard use but light enough to keep your rifle fast and maneuverable.
15" Free-Floating Design for Long-Range Performance
At 15 inches in length, this short-action RPR handguard is engineered as a free-floating rail, meaning it does not contact the barrel. This helps preserve the rifle’s inherent accuracy by preventing external pressure (from bipods, bags, or barricades) from affecting barrel harmonics. Prophet River+2ShopRuger+2
The long 15" profile also gives you more usable real estate for support-hand placement and accessory mounting, improving stability in prone, kneeling, or barricade positions.
KeyMod™ Flat at 6 o’clock for Secure Bipod Mounting
One of the signature features of the Ruger Precision Handguard 90589 is its wider KeyMod flat at the 6:00 position, designed as a rock-solid base for mounting bipods or other under-rail accessories. ShopRuger+2Classic Firearms+2
Advantages of the 6 o’clock KeyMod section:
Stable, flat surface for bipods to reduce cant and wobble
Direct KeyMod accessory attachment keeps weight low and profile slim
Ideal for long-range shooting, PRS-style matches, and precision hunting setups
By giving your bipod a broader, flatter interface, this handguard helps you build repeatable positions and consistent shot-to-shot stability.
Improved Clearance for Large Long-Range Scopes
The 90589 handguard is specifically shaped to provide improved clearance for larger long-range optics. That means big objective lenses, sunshades, and low-mounted scope setups are less likely to interfere with the rail or handguard when you’re dialing elevation or working at extreme angles. ShopRuger+2Classic Firearms+2
This is especially beneficial for:
High-magnification scopes with large objectives
Long-range and ELR shooters who run tall turrets and extended sunshades
Shooters who prefer low or medium rings but still need chassis clearance
More clearance equals more flexibility in how you mount your glass, letting you prioritize eye relief, cheek weld, and overall ergonomics.
Lightweight, Balanced Handling
Despite its 15" length, the Ruger 90589 handguard is remarkably lightweight, helping maintain a well-balanced feel with the RPR’s chassis and barrel. At around 12.7 ounces, it adds rigidity and accessory mounting capability without making the rifle front-heavy. ShopRuger+2Cheaper Than Dirt+2
Benefits at the bench and in the field:
Easier to manage in extended stages and long hunting hikes
Keeps transitions from target to target quick and controlled
Works well on bags, barricades, and tripods thanks to its rigid, straight profile
This balance is crucial for precision shooters who spend a lot of time in prone or supported positions and need the rifle to “settle” naturally on target.
Easy Installation with Included Mounting Hardware
The Ruger Precision Handguard 90589 ships as a kit that includes the handguard and the necessary mounting hardware, and it’s designed to install quickly with basic hand tools. Firearms Gain+3ShopRuger+3Classic Firearms+3
While you should always follow Ruger’s instructions and best practices, most shooters will appreciate that this is a straightforward factory accessory installation—no exotic tools or permanent modifications to the rifle chassis.
Made in the USA, Backed by Ruger Quality
As a genuine Ruger® factory accessory, the 90589 Precision Handguard is made in the USA and built to the same standards Ruger uses on their production rifles. ShopRuger+1
That means:
Ruger-level quality control and fitment
Design and dimensions tailored specifically to the Ruger Precision Rifle
Confidence that your handguard upgrade won’t compromise the rifle’s reliability
For shooters who value factory-correct parts and OEM reliability over generic aftermarket options, this is the go-to choice.
Key Specs – Ruger Precision Handguard 6005A-T6 Aluminum Black Anodized 90589
Product Name: Ruger Precision Rifle Short Action Handguard 15"
Model / MPN: 90589 ShopRuger+1
UPC: 736676905898 ShopRuger+2Classic Firearms+2
Firearm Fit: Ruger Precision Rifle, Short Action only (will not fit AR rifles) ShopRuger+1
Type: Rifle handguard, free-floating
Material: 6005A-T6 / 6061-T6 aluminum
Finish: Type III Mil-Spec black hard coat anodized ShopRuger+2Classic Firearms+2
Attachment System: KeyMod™ with widened flat at 6 o’clock for bipods
Length: 15.0"
Width: 1.800"
Height: 2.023"
Weight: ~12.7 oz ShopRuger+1
Included: Handguard and mounting hardware
If you’re looking to upgrade your Ruger Precision Rifle with a factory-correct, free-floating 15" KeyMod handguard that offers more scope clearance, a dedicated bipod mounting flat, and rugged 6005A-T6 aluminum construction with black hard coat anodizing, the Ruger Precision Handguard 90589 (UPC 736676905898) is the OEM solution built to keep your rifle running true on the bench, in the field, and in competition. ShopRuger+2DFC Arms+2
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