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When you're running a KeyMod handguard and need a spot to bolt on a Picatinny accessory, this BCM rail section gets the job done without adding weight where you don't want it. It's an 11-slot, 5.5-inch length made from lightweight impact-resistant polymer, so you can add real estate for your gear and barely notice it's there. The mounting hardware is corrosion-resistant stainless steel, and the whole thing ships as a self-contained assembly, which means you're not chasing tiny screws and nuts across your workbench during install.
Bravo Company built this to Mil-Standard 1913 Picatinny specs, so anything with a standard Picatinny footprint clamps right on. The profile is designed to be snag-resistant while keeping true to those spec dimensions, so it plays nice with the rest of your rail real estate and won't grab on slings, gear, or the edge of your bag. It fits all KeyMod interface mounting surfaces, which makes it a reliable pick whether you're running a BCM handguard or another brand's KeyMod rail.
This is a polymer rail, which means it's meant for non-load-bearing accessories. Think weapon light bodies, pressure switch pads, IR illuminators, small lasers, and similar gear that isn't taking a beating or holding zero under stress. Folks running these have had good luck mounting Streamlight bodies and remote switch pads on duty rifles and builds alike. When you're torquing down the KeyMod fasteners, keep it to 20 in-lbs and you'll get a rock-solid lockup without stressing the polymer. If you're planning to hang a bipod, a heavy optic, or anything that needs to hold a precise zero, step up to an aluminum rail section instead.
For the money, this is one of those small parts that quietly does exactly what it's supposed to. BCM's reputation for solid, no-nonsense gear carries right through to their rail sections, and this one lives up to it.
Since this is a polymer rail, it's built for non-load-bearing accessories like weapon light bodies, pressure switch pads, IR illuminators, and small lasers. It gives you standard Picatinny slots to clamp those items onto a KeyMod handguard. For heavier gear like bipods or optics that need to hold a precise zero, go with an aluminum rail section instead.
Yes, it's designed to fit all KeyMod interface mounting surfaces, so it works on BCM handguards as well as other brands running the KeyMod system. Just note this is KeyMod and not M-LOK, so double-check your handguard's slot type before ordering.
Keep the KeyMod fasteners at 20 in-lbs and do not exceed that number. That gives you a solid, secure lockup without over-stressing the polymer. A quality torque wrench takes the guesswork out of it.
The 5.5-inch length gives you 11 Picatinny slots to work with. BCM also offers this rail in shorter 3-inch (5 slot) and 4-inch (7 slot) lengths if you need less real estate.
| UPC | 855877004565 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | BCM-KMR-1913-N5-BLK |
| Color | Black |
| Length | 5.5 |
| Model | |
| Product Type | Rail |
| Style | Keymod |
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