GrovTec US Inc 6" 15-Slot Stock AR Picatinny Rail – Black Type III Hardcoat Anodized Aluminum – GTSW191, UPC 811071011914
Upgrade your rifle with rock-solid accessory mounting using the GrovTec US Inc 6 Inch 15 Slot Stock AR Black Anodized Rail – GTSW191. This 6" 15-slot Picatinny stock rail section is precision CNC machined from lightweight, solid aluminum and finished in a durable Type III black hardcoat anodizing, giving you a tough, low-profile mounting surface that’s built for serious use on AR-platform rifles and other compatible stocks. Palmetto State Armory+2Hinterland Outfitters+2
Whether you’re adding a scope, red dot, laser, or other MIL-STD-1913 accessories, this GrovTec rail delivers the strength, modularity, and clean look demanding shooters expect.
Precision CNC-Machined Aluminum – Lightweight but Tough
At the heart of the GTSW191 is its solid aluminum construction, precision CNC machined for a consistent, straight rail that holds zero and handles real-world abuse. AR15Discounts+2Palmetto State Armory+2
Machined from lightweight aluminum, making it ideal for AR builds and rifles where every ounce matters
Rigid design helps ensure your optics and accessories stay aligned under recoil
Quality machining means clean, true Picatinny slots for reliable, repeatable mounting
This rail section offers the perfect balance of strength and weight, enhancing your rifle without making it front- or rear-heavy.
Type III Black Hard Anodized – Duty-Ready Finish
The rail wears a Type III anodized black finish, the same class of hardcoat commonly used on high-quality AR receivers and premium components. Palmetto State Armory+2Sportsman's Outdoor Superstore+2
Finish advantages:
Excellent wear and corrosion resistance for hard field use
Low-glare matte black that blends seamlessly with modern tactical rifles
Holds up well against solvents, moisture, and rough handling in the field or at the range
If you care about both looks and long-term durability, this finish checks all the boxes.
6" 15-Slot MIL-STD-1913 Picatinny Rail – Maximum Mounting Flexibility
With 15 Picatinny slots across a 6" length, the GrovTec GTSW191 gives you plenty of real estate for optics and accessories. Palmetto State Armory+2Hinterland Outfitters+2
Key rail features:
MIL-STD 1913 Picatinny pattern – compatible with a wide range of lasers, sights, scopes, and other accessories AR15Discounts+2Palmetto State Armory+2
Long 6" section allows fine-tuning eye relief for scopes and red dots or positioning lasers and lights exactly where you want them Palmetto State Armory+1
Ideal when you need more mounting space than short 3–4 slot rails can provide
Whether you’re building a precision AR or a do-it-all utility rifle, having ample Picatinny surface makes your setup far more adaptable.
Designed for AR Stocks & Rail-Ready Platforms
Labeled as “Stock AR” in the product line, this rail is designed for use on AR-platform rifles and compatible stocks and forend/stock surfaces that accept rail sections. Sportsman's Outdoor Superstore+2Palmetto State Armory+2
Common use cases include:
Adding a top or side Picatinny section to a stock or chassis system to mount optics or accessories
Giving AR-platform rifles additional rail space for offset red dots, magnifiers, or night-vision accessories
Expanding your mounting options on precision rifle stocks or tactical builds that use add-on rail sections
If your build needs a high-quality Picatinny section in the stock area or other flat mounting surfaces, this rail is purpose-built for the job.
Includes Mounting Hardware & Allen Key – Ready to Install
GrovTec includes everything you need to get the rail mounted and ready:
That means no hunting around for the right tool or fasteners—just line it up, drill/attach per your stock or chassis’ requirements, and you’re ready to mount accessories.
Always follow manufacturer and gunsmithing best practices when drilling or modifying stocks, and ensure there’s enough material and clearance for a secure install.
Perfect for Optics, Lasers, and Tactical Accessories
This 6" 15-slot rail gives you versatile mounting for:
Rifle scopes & LPVOs that need flexible eye relief
Red dot sights and magnifiers
Lasers, IR devices, and illuminators
Backup sights, level bubbles, or small accessories that require Picatinny compatibility AR15Discounts+2Palmetto State Armory+2
Because it’s built to MIL-STD 1913 dimensions, you can trust your accessories to clamp securely without wobble or alignment issues.
Key Specs – GrovTec 6" 15-Slot Stock AR Picatinny Rail GTSW191
If you’re looking for a high-quality 6-inch 15-slot Picatinny rail section to expand the capability of your AR or stock-mounted setup, the GrovTec US Inc GTSW191 Stock AR Black Anodized Rail is a smart, durable choice. With precision CNC aluminum construction, Type III black hardcoat anodizing, MIL-STD-1913 compatibility, and included hardware, it’s ready to become a rock-solid foundation for your optics and tactical accessories. Palmetto State Armory+2Ammunition Depot+2
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