Build KitsB5 SystemsSold by Brownells

B5 Systems

Ar-15 Handguards M-Lok - Ar-15 Mid-Length Handguard M-Lok Od Green

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

Two-piece Drop-in

M-LOK handguards for carbine or

Designed Replace

Standard clamshell handguard design

Slim Diameter

Increased ergonomics and a built-in

Six-sided M-lok

Attachment points for accessory mounting

Durable Composite

A stamped aluminum heat shield

$29.45
View on Brownells

You'll be taken to Brownells to complete your purchase.

Hunter's Outpost earns a commission from affiliate links at no extra cost to you.

SKU: 430104469

Overview

This two-piece drop-in handguard is designed to replace a standard clamshell setup on compatible AR-15 carbines or mid-length builds. It offers a slim profile, a built-in handstop, and six-sided M-LOK attachment points for adding accessories where needed. Durable composite construction and a stamped aluminum heat shield round out the design, while compatibility with both round and triangle handguard caps adds flexibility during installation. The OD green finish gives it a subdued look suited to practical field or range use.

Why Hunters Choose the B5 Systems

Two-piece Drop-in

Design replaces standard clamshell handguards

Slim Diameter

Supports a more ergonomic grip

Built-in Handstop

Adds a defined forward reference

Six-sided M-lok

Attachment points expand accessory mounting

Durable Composite

Stamped aluminum heat shield

Key Features

  • Two-piece drop-in M-LOK handguards for carbine or mid-length setups.
  • Designed to replace the standard clamshell handguard design.
  • Slim diameter profile with increased ergonomics and a built-in handstop.
  • Six-sided M-LOK attachment points for accessory mounting.
  • Durable composite construction with a stamped aluminum heat shield.
  • Fits both round and triangle handguard caps.

Best Used For

  • Hunters wanting a drop-in handguard replacement for carbine or mid-length AR setups
  • Users who prefer a slimmer handguard profile with added ergonomics and built-in handstop
  • Shooters needing M-LOK attachment points on six sides for accessory mounting flexibility
  • Those using round or triangle handguard caps and seeking a compatible replacement option

Specifications

Attachment PointsSix sides of M-LOK attachment points
Available ColorsAll standard colors
CompatibilityCarbine or Mid-Length
ConstructionDurable composite construction
Country Of OriginB5 Systems
DesignReplace the standard clamshell design
DiameterSlim diameter
ErgonomicsIncreased ergonomics
Handguard Cap CompatibilityFits both round and triangle handguard caps
Handguard TypeTwo piece drop-in M-LOK carbine or mid-length handguards
HandstopBuilt-in handstop
Heat ShieldBuilt-in stamped aluminum heat shield
Length7.00 in. Carbine, 9.00 in. Mid-Length
Weight3.90 oz. Carbine, 5 oz Mid-Length
Width1.75 in. for both Carbine and Mid-Length

Pros

  • Two-piece drop-in design replaces standard clamshell handguards.
  • Slim diameter supports a more ergonomic grip profile.
  • Built-in handstop adds a defined forward reference point.
  • Six-sided M-LOK attachment points expand accessory mounting options.
  • Durable composite construction with stamped aluminum heat shield.
  • Fits both round and triangle handguard caps.

Considerations & Trade-offs

  • This is a two-piece drop-in handguard, so it is intended to replace a standard clamshell setup rather than a free-float system.
  • The M-LOK attachment layout offers flexibility, but accessory fit and placement will depend on how much rail space you need on a carbine or mid-length build.
  • Weight and length differ by configuration: the carbine and mid-length versions are not identical, so the choice should match the rifle setup.
  • The handguard is listed in multiple standard colors, but availability of a specific color may vary by option selected.

Suggested Comparisons

  • AR-15 handguards
  • M-LOK handguard accessories
  • Carbine-length handguards
  • Mid-length handguards

Suggested Accessories

  • Hand stop
  • Rail covers
  • Weapon light mount
  • Sling attachment point

Frequently Asked Questions

Is this handguard a drop-in replacement or does it require a different setup?

It is a two-piece drop-in handguard designed to replace the standard clamshell design. The product is offered in Carbine or Mid-Length versions.

What attachment options does this handguard provide?

It includes six sides of M-LOK attachment points for adding compatible accessories.

Does it include a heat shield?

Yes. The listed features include a built-in stamped aluminum heat shield.

Will it fit my handguard cap?

It is listed as fitting both round and triangle handguard caps.

What are the listed size and weight specs for the Mid-Length version?

The Mid-Length version is listed at 9.00 in. long, 1.75 in. wide, and 5 oz.