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Running out of real estate for your accessories is a common headache, and the GrovTec GTSW190 solves it with a clean, compact stretch of Picatinny real estate. This 3.8-inch section packs 9 slots of standard MIL-STD 1913 spacing onto a solid aluminum body, so anything cut for a Pic rail drops right on. It's set up for AR stocks and other flat surfaces using a sandwich-style mount, which makes it a handy way to add rail space where your rifle didn't come with any.
GrovTec precision CNC machines this rail from lightweight solid aluminum and finishes it with a Type III black hardcoat anodize. That anodizing is the same tough treatment you'll find on quality AR components, so it shrugs off scuffs, holding, and weather without wearing through to bare metal. The 9-slot layout gives you room to run a light and a laser together, stack a longer accessory, or set up an optic with plenty of eye relief adjustment.
This one is designed for a sandwich-style install, meaning it clamps around your stock or flat surface rather than needing a pre-tapped mounting point. The hardware kit includes two 10-32 hex head bolts at .375 inch length, two washers, and two flat threaded backplates, plus an allen key to get it snugged down. The slot hole spacing works within a range of roughly 1.53 inches minimum to 2.40 inches maximum, giving you some flexibility on where the mounting bolts land.
Folks reach for this rail when they want to add mounting space to a build that came up short, whether that's an older platform or a stock with a flat panel begging for an accessory. It's a simple, well-made piece that does exactly what it says without any fuss, and the machined tolerances mean your gear sits tight and repeatable. If you need dependable rail space in a small footprint, this GrovTec section earns its keep.
It's designed for AR stocks and other flat surfaces using a sandwich-style clamp mount. The included backplates and bolts wrap around the surface, so you don't need a pre-tapped hole to install it. The hole spacing works within a range of about 1.53 to 2.40 inches for the mounting bolts.
Yes. The GTSW190 uses the standard MIL-STD 1913 Picatinny pattern, so any accessory cut for a Pic rail will attach directly. That covers lights, lasers, sights, scopes, grips, and similar rail-mounted gear.
It does. Each rail ships with two 10-32 hex head bolts, two washers, two flat threaded backplates, and an allen key. You have everything needed to get it installed right out of the package.
The 3.8-inch, 9-slot length gives you enough room for a couple of smaller accessories side by side, like a light and a laser, or one longer item. It also leaves space to fine-tune eye relief if you're mounting an optic.
| UPC | 811071011907 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GTSW190 |
| Color | STOCK AR RAIL SECTION/BLACK |
| Length | 5.3500 |
| Model | |
| Product Type | PICATINNY RAIL |
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