Forend & Handguard PartsB5 SystemsSold by Brownells

B5 Systems

M-Lok Rail Covers - M-Lok Rail Cover Fde

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 provides added traction and

Press-in Fit

For straightforward installation

Each Rail

Cover fills 3 M-LOK sections

Made From

Heat- and chemical-resistant material

$17.10
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SKU: 430104476

Overview

Designed for M-LOK handguards and machined rails, these low-profile rail covers add a more secure surface without building unnecessary bulk. The soft, ribbed design is intended to improve grip and provide added traction, while the press-in fit keeps installation straightforward. They are made from heat- and chemical-resistant material and fill three M-LOK sections per cover, making them a practical option for shooters who want a cleaner, more controlled handguard setup. Sold in packs of four, they suit users looking to outfit multiple sections at once.

Why Hunters Choose the B5 Systems

Low-profile Design

Fits most machined rails and

Soft, No-slip

Ribbing adds secure grip and

Press-in Fit

Simplifies installation on compatible M-LOK

Each Cover

Fills three M-LOK sections for

Heat- Chemical-resistant

Material suits demanding use

Key Features

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

Best Used For

  • Hunters wanting a low-profile grip surface on machined rails or polymer handguards
  • Users needing press-in rail covers that fill three M-LOK sections per piece
  • Those looking for added traction from soft, ribbed material on their handguard
  • Shooters who want a lightweight rail-cover pack sold in sets of four
  • Anyone matching standard-color accessories to an M-LOK setup

Specifications

Attachment TypePress-In Fit
Available ColorsAll standard colors
Chemical ResistanceYes
ColorFDE
CoverageEach rail cover fills 3 M-LOK sections
FitDesigned to fit most machined rails and polymer handguards
Grip FeatureRibbing
Heat ResistanceYes
Length4.6 in.
MaterialSoft no slip material
Pack Quantity4
ProfileLow-profile
Rail InterfaceM-LOK
Weight0.15 oz.
Width0.62 in.

Pros

  • Low-profile design fits most machined rails and polymer handguards.
  • Soft, no-slip material with ribbing adds secure grip and extra traction.
  • Press-in fit simplifies installation on compatible M-LOK rails.
  • Each cover fills three M-LOK sections for modular coverage.
  • Heat- and chemical-resistant material suits demanding use.
  • Sold in packs of four for multiple rail sections.

Considerations & Trade-offs

  • Designed as a press-in fit for most machined rails and polymer handguards, so compatibility should be checked against your specific setup before ordering.
  • Each cover fills 3 M-LOK sections, which makes it a better fit for longer open areas than for small gaps or highly segmented rail layouts.
  • The low-profile, ribbed design adds grip and heat resistance, but it also adds a small amount of bulk compared with leaving the rail uncovered.
  • Sold in packs of 4, so the package quantity may exceed what is needed for a single short rail section.

Suggested Comparisons

  • AR-15 handguards and rail accessories
  • M-LOK rail panels and covers
  • Handguard grip accessories
  • Heat-resistant firearm accessory covers

Suggested Accessories

  • M-LOK handguard
  • Rail section covers
  • Rifle grip accessories
  • Handguard protection accessories

Frequently Asked Questions

What does this M-LOK 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 size and weight specs?

The listed specs are 4.6 in. long, 0.62 in. wide, and 0.15 oz. in weight.