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Magpul MOE SL Carbine Handguard Gray Polymer M-LOK AR-15/M4

UPC: 873750001760

$37.95

6 in stock

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Description

The Magpul MOE SL Carbine Handguard is one of the easiest ways to modernize an AR-15 or M4 that's still wearing the old two-piece plastic clamshell. It's built for carbine-length gas systems with a standard A2 front sight, and it drops right in using the delta ring and round front retaining cap you already have. The big draw here is the slimmer profile. At roughly 1.8 inches wide, it's noticeably trimmer than the original MOE and a good bit slimmer than the factory mil-spec handguards most carbines ship with, which makes a real difference for anyone who prefers a tighter grip or has smaller hands.

What the MOE SL Handguard Brings to Your Build

Made in the USA from reinforced, heat-resistant Magpul polymer, this handguard skips the weight and cost of an aluminum rail while holding up to real-world use. It runs around 6.7 ounces, so you get modularity without loading down the front end. There's an integral riveted aluminum heat shield inside, and that pairs with a large front extension and lower lip to keep your support hand off the hot front sight gas block during longer strings of fire. A relief cut at the top rear also gives clearance for optics that overhang the receiver.

Mounting Gear on the Gray MOE SL

M-LOK slots sit at the 2, 6, and 10 o'clock positions, so you can hang lights, grips, slings, and other direct-attach accessories, or add short 1913 Picatinny rail sections wherever you need them. The gray finish is a nice change of pace from the usual black, and it works well for a two-tone build or just standing out a little.

A couple of things worth knowing before you order: this one only fits uppers with a round front retaining cap, not triangular caps, and it needs the A2 front sight assembly. You'll also want to pull the front sling swivel off your sight base for a clean fit. Installation is usually quick, though a delta ring tool makes the job far easier if the fit is tight.

Key Specifications

  • Manufacturer: Magpul Industries
  • Model: MOE SL
  • Manufacturer Part Number: MAG538-GRY
  • UPC: 873750001760
  • Color: Gray
  • Length: 8.9 inches
  • Width: 1.8 inches
  • Weight: 6.7 ounces
  • Material: Reinforced heat-resistant polymer with integral riveted aluminum heat shield
  • Mounting Style: M-LOK at 2, 6, and 10 o'clock
  • Gas System Fit: Carbine-length
  • Compatibility: AR-15/M4 with A2 front sight and round retaining cap
  • Country of Origin: Made in the USA

What’s Included

  • Magpul MOE SL Carbine-Length Handguard (Gray)
  • Integral riveted aluminum heat shield (installed)

Frequently Asked Questions

Will the MOE SL handguard fit my carbine without a new upper?

Yes, this is a drop-in replacement that uses your existing spring-loaded delta ring and round front retaining cap. It's designed for AR-15/M4 uppers running a carbine-length gas system with a standard A2 front sight. There's no free-float conversion or barrel work involved.

Does the MOE SL work with a triangular handguard cap?

No, it only fits uppers with a round front handguard retaining cap. If your rifle has a triangular cap, this handguard won't seat correctly. You'll also need to remove the front sling swivel from the sight base for a clean fit.

How is the MOE SL different from the original MOE handguard?

The SL stands for Slim Line, and it's about a third of an inch narrower than the original MOE, coming in around 1.8 inches wide instead of 2.2. That trimmer profile gives you a more natural grip, especially in a two-handed hold. It also uses M-LOK slots instead of the original MOE mounting system.

Is installation difficult on the MOE SL Carbine Handguard?

Most folks find it straightforward, though the fit can run tight. Using a delta ring tool makes the swap go much faster and saves some frustration if things are snug. Just remember to pull the front sling swivel before you start.

Additional information

UPC

873750001760

Manufacturer

Manufacturer Part Number

MAG538GRY

Color

Gray

Length

8.9

Model

Product Type

Drop-In

Style

M-LOK

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