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Bare aluminum handguards look great until you run a few strings of fire and grab a fistful of hot rail. These B5 Systems M-LOK Rail Covers solve that in a simple, low-profile way. Each panel presses into three adjacent M-LOK slots and gives you a soft, textured surface that adds traction and puts a buffer between your hand and the heat coming off your barrel. You get four covers per pack in matte black, which is enough to dress up most standard-length handguards.
B5 builds gear that leans toward function over looks, and these covers fit that mold. They're made from a soft, non-slip rubber with ribbing that gives you a sure grip whether your hands are gloved or bare. The material is heat and chemical resistant, so gun oils, solvents, and a warm rail after a range session won't chew them up. Owners running fast semi-auto strings have found the aluminum underneath gets hot while the B5 cover stays merely warm to the touch, which is the whole point.
The press-in design means no tools and no fuss. You line the cover up over three open M-LOK sections and push it home, and it locks in snug. Because it sits low, it won't add bulky diameter to your handguard or snag on gear. Folks running them on rifles like the American Defense AR-15 have reported they seat tight and hold their position even after heavy shooting sessions.
Most builds only use a handful of M-LOK slots for a light, bipod, or sling mount, which leaves the rest open and abrasive. Filling those empty sections with these covers cleans up the profile, protects your hand, and keeps grit out of the slots. At four panels a pack, you've got plenty to run across the top, bottom, and sides of a typical setup while keeping everything matched in that clean matte black finish.
Each cover is designed to press in and fill three adjacent M-LOK sections. With four covers in the pack, you have enough to run across multiple faces of a standard handguard. That coverage lets you tidy up the open slots you aren't using for accessories.
Yes. The rubber is heat resistant, so after long strings of fire the aluminum rail can get hot while the cover stays only warm to the touch. It puts a real buffer between your support hand and the heat coming off the barrel.
They use a press-in fit, so no tools are needed. You line the cover up over three open M-LOK sections and push it in until it seats and locks. Users have found they hold tight and stay put even after heavy shooting.
They're built to fit most machined rails and polymer handguards that use standard M-LOK slots. Since M-LOK is a common mounting standard, they work across a wide range of rifle and handguard setups. As with any accessory, it's worth confirming your handguard uses genuine M-LOK spacing before ordering.
| UPC | 814927022140 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RCM-1256 |
| Color | Black |
| Length | 4.6 |
| Model | |
| Product Type | Rail Covers |
| Shipping Weight | 0.099 |
| Style | M-LOK |
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