Forend & Handguard PartsB5 SystemsSold by Brownells

B5 Systems

M-Lok Rail Covers - M-Lok Rail Cover Black

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Low-profile M-lok

Rail cover designed for most

Soft, No-slip

Ribbing for a sure grip

Press-in Fit

Installation

Each Cover

Fills 3 M-LOK sections

Made From

Heat- and chemical-resistant material

$17.10
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SKU: 430104475

Overview

These low-profile rail covers are designed to add a more secure, comfortable surface to compatible M-LOK handguards and machined rails without adding much bulk. The soft, no-slip material and ribbed texture are intended to improve grip and provide added heat resistance during extended handling. Each press-in cover fills three M-LOK sections, and the four-pack format gives you enough coverage to configure multiple areas as needed. Available in standard colors, they offer a straightforward way to finish a rail setup with a cleaner, more controlled feel.

Why Hunters Choose the B5 Systems

Low-profile Design

Fits most machined rails and

Soft, No-slip

Material and ribbing provide a

Press-in Fit

Simplifies installation on compatible M-LOK

Each Cover

Fills three M-LOK sections for

Heat- Chemical-resistant

Material adds practical durability

Key Features

  • Low-profile M-LOK rail cover designed for most machined rails and polymer handguards.
  • Soft, no-slip material with ribbing for a sure grip and added traction.
  • Press-in fit installation.
  • Each cover fills 3 M-LOK sections.
  • Made from heat- and chemical-resistant material.
  • Sold in packs of 4.

Best Used For

  • Hunters using M-LOK handguards who want added grip without a bulky profile
  • Users needing a press-in rail cover for most machined rails and polymer handguards
  • Shooters looking for extra traction and heat resistance during extended range sessions
  • Anyone wanting to fill exposed M-LOK sections with a low-profile cover
  • Those who prefer a simple four-pack for outfitting multiple rail sections

Specifications

Attachment TypePress-In Fit
Chemical ResistanceYes
ColorBlack
FitDesigned to fit most machined rails and polymer handguards
Heat ResistanceYes
Length4.6 in.
MaterialSoft no slip material
Pack Quantity4
Rail Sections Covered3 M-LOKA(R) sections per rail cover
Weight0.15 oz.
Width0.62 in.

Pros

  • Low-profile design fits most machined rails and polymer handguards.
  • Soft, no-slip material and ribbing provide a sure grip.
  • Press-in fit simplifies installation on compatible M-LOK rails.
  • Each cover fills three M-LOK sections for broad coverage.
  • Heat- and chemical-resistant material adds practical durability.
  • Sold in packs of four for multiple rail sections.

Considerations & Trade-offs

  • Press-in fit means installation is straightforward, but it also means the covers are intended for compatible M-LOK sections rather than universal use.
  • Each cover fills 3 M-LOK sections, so coverage is modular rather than continuous across the handguard.
  • The low-profile design adds grip and traction without much bulk, but it is not a full handguard wrap or padded surface.
  • Sold in packs of 4, so larger setups may require multiple packs to cover the desired area.

Suggested Comparisons

  • M-LOK rail covers
  • Handguard accessories
  • Rifle grip accessories
  • Heat-resistant firearm accessories

Suggested Accessories

  • Cleaning cloth
  • Rail section accessories
  • Handguard accessories
  • Storage pouch

Frequently Asked Questions

What does this rail cover fit?

It is described as a low-profile M-LOK rail cover designed to fit most machined rails and polymer handguards.

How is it installed?

The product uses a press-in fit.

How much rail does each cover take up?

Each rail cover fills 3 M-LOK sections.

What comes in the package?

It is sold in packs of 4.

What are the listed specifications?

The listed specs are 0.15 oz weight, 4.6 in length, and 0.62 in width.