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The Armaspec ARCA Rail bridges the gap between your M-LOK handguard and the ARCA-Swiss world, giving you a standard dovetail interface right under the forend. If you have been running a Picatinny bipod adapter and fighting with clamps or QD levers, this is the cleaner path. It bolts directly into your existing M-LOK slots and turns the bottom of your handguard into a full sliding rail for tripods, bipods, and any ARCA or RRS compatible accessory.
This is the longest option in the lineup, and it earns its keep on precision and long-range rifles where you want to fine-tune balance. The 12-inch length gives you room to slide a bipod fore and aft, drop the rifle onto a tripod, and still have real estate left over. The rail uses the established 38mm ARCA dovetail standard, so it plays nicely with the bipod clamps and tripod heads most folks already own, including Atlas-style and RRS gear.
Armaspec machines these from aircraft-grade 6061-T6 aluminum and finishes them in Mil-Spec Type III hardcoat anodize, which is the same tough coating you find on quality handguards. The skeletonized cut keeps weight down to roughly 2.5 ounces on the 12-inch version, so you get the ARCA benefit without a noticeable penalty up front. It mounts to M-LOK slots using steel hardware for a solid, repeatable lockup that holds zero under recoil.
Installation is straightforward and lines up with standard M-LOK spacing, so if you have installed an M-LOK accessory before, this will feel familiar. It is made in the USA and backed by an Armaspec lifetime warranty, which tells you they stand behind the machining. For hunters, PRS competitors, and anyone building a stable field platform, this rail is one of the simplest upgrades you can make.
It mounts to any standard M-LOK handguard slot using the included steel hardware. Once installed, it gives the underside of your forend a full ARCA-Swiss dovetail interface. That means you can run tripods, bipods, and other ARCA or RRS compatible accessories without a separate clamp adapter.
The rail uses the standard 38mm ARCA dovetail, which is the width the vast majority of ARCA clamps and tripod heads are built around. Atlas-style bipod mounts and RRS tripod heads clamp right on. If your gear says ARCA-Swiss or 1.5-inch dovetail compatible, you are good to go.
The 12-inch version weighs in around 2.5 ounces thanks to its skeletonized aluminum construction. That is very light for a full-length ARCA rail. You get sliding adjustment and tripod-ready stability without noticeably changing how the rifle handles.
It is machined from 6061-T6 aluminum and finished in Mil-Spec Type III hardcoat anodize, the same class of coating used on quality handguards. It is made in the USA and carries an Armaspec lifetime warranty. That combination holds up well to recoil, weather, and the knocks that come with hunting and precision shooting.
| UPC | 810048493784 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | ARM621-12 |
| Color | Black |
| Length | 12.6000 |
| Model | |
| Product Type | Rail |
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