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The B5 Systems M-LOK Rail Cover takes the exposed slots on your machined rail or polymer handguard and turns them into a comfortable, grippy surface you can wrap a bare hand around. Each cover is molded from a soft, non-slip rubber with a ribbed texture that gives you traction whether your hands are dry, sweaty, or gloved up. It also does the quieter job of keeping your palm off sharp slot edges and off the heat that builds up on aluminum rails after a busy range session.
Each panel measures 4.6 inches and fills three M-LOK sections, so you can cover the spots where your hand rides without adding bulk or weight. Installation is a straight press-in fit, no tools or screws to fumble with. You line the cover up over the slots and push it in until it seats. Folks who run these tend to point out how low profile they stay, sitting flush enough that the handguard keeps its slim feel.
The rubber compound is built to shrug off heat and chemicals, which is the whole reason a cover like this earns its keep during extended fire. Users report the rail underneath can get hot while the cover itself stays only warm to the touch, letting you keep a solid hold without reaching for a glove. The texture is aggressive enough to lock your hand in place but not so sticky that it snags on gear or clothing.
This set comes in OD Green, and the match to other olive drab gear tends to be spot on, blending nicely alongside Cerakote, Magpul, and other B5 accessories. Since each cover spans three slots, you have room to run them full length or trim a panel down with a razor to fit a shorter stretch of rail. It is a simple, no-fuss upgrade that makes a real difference in how a rifle feels in the hand.
This is a 4-pack, so you get four individual covers in OD Green. Each one spans three M-LOK slots, which is usually plenty to cover the hand positions on a standard handguard. If you only need a shorter run, you can trim a panel down to size.
Yes. The rubber is a heat and chemical resistant compound, and people who run them consistently note that the rail underneath gets hot while the cover stays only warm to the touch. That means you can keep a firm grip during extended shooting without reaching for a glove.
They use a simple press-in fit with no tools or screws required. You line the cover up over the M-LOK slots and push it in until it seats. Most users describe the process as quick and straightforward, and the snug fit keeps them held in place.
They are designed to fit most machined rails and polymer handguards that use the M-LOK slot pattern. As long as your handguard has standard M-LOK slots, these covers should press right in. Just count out the slots you want covered so you know how many panels to run.
| UPC | 814927022188 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RCM-1260 |
| Color | O.D. Green |
| Length | 4.6 |
| Model | |
| Product Type | Rail Covers |
| Shipping Weight | 0.098 |
| Style | M-LOK |
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