Magpul MOE Slim Line AR-15 Handguard – Mid Length – w/ M-LOK Slots – MAG551

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Sleek And Cost-Effective Replacement For Standard AR-15/M4 Handguard

The Magpul MOE Slim Line AR-15 Handguard – Mid Length is a sleek and lightweight replacement for standard AR-15/M4 Carbine-type plastic handguards with Mid-length gas systems and an A2 front sight*. A versatile and cost-effective option that offers modular flexibility of the M-LOK system for your rifle.

The Magpul MOE Slim Line AR-15 Handguard – Mid Length is designed for versatility in AR15/M4 platforms. The M-LOK slots at the two, six, and ten o’clock positions offer more flexibility that allows the attachment of optional 1913 Picatinny rail sections and other M-LOK accessories for direct mounting of tactical lights, slings, grips, etc.

Magpul MOE Slim Line AR-15 Handguard - Mid Length - w/ M-LOK Slots - MAG551

Provides Operational Durability With Less Weight

The MOE SL Hand Guard is designed from reinforced, heat-resistant polymer that provides operational durability without the weight and expense of an aluminum rail handguard.

The large front extensions and lower lip provide additional protection for the operator from hot gas block or hot front sight assembly and maximize the use of the length of the handguard.

Magpul MOE Slim Line AR-15 Handguard - Mid Length - w/ M-LOK Slots - MAG551

Features:

  • Narrow design replaces factory 2-piece, mid-length plastic handguards
  • Easy to install utilizing existing delta ring and ROUND front hand guard retaining cap with A2 front sight assembly*
  • Slots at the two, six, and ten o’clock positions for mounting direct-attach M-LOK accessories or M-LOK 1913 Picatinny rail sections
  • Reinforced, heat-resistant polymer construction
  • Integral riveted aluminum heat shield
  • Front lip and long side extensions shield hand from hot sight assembly
  • Made in the U.S.A.

Magpul MOE Slim Line AR-15 Handguard - Mid Length - w/ M-LOK Slots - MAG551

Specifications:

  • MOE SL Hand Guard, Mid-Length
  • Weight: 8.3 oz.
  • Length, maximum: 10.9 in.
  • Width, maximum: 1.8 in.
  • Height: 2.4 in.

NOTES:

  • The Mid-Length MOE SL Hand Guard is a direct replacement for most factory plastic, two-piece, mid-length hand guards and requires a ROUND front hand guard retaining cap and rear spring-loaded delta ring (some mid-length firearms are equipped with a triangular retaining cap and are not compatible). Not compatible with piston operated AR platforms.
  • *Must be used with the A2 front sight assembly as other gas blocks are not compatible. If so equipped, the factory sling swivel must be removed from the A2 front sight assembly.

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Have Questions About this Product?


The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Magpul Warranty Information

If you ever experience an issue with a Magpul product at any time, regardless of where it was purchased, please contact us directly and we’ll do everything reasonable to help you.

To make a return, please take the following steps:

  • BEFORE returning any products, please contact us first to receive an RMA number (Return Merchandise Authorization) and prominently write it on the outside of the package. Packages will not be accepted without an RMA.
  • Include a note with your name, shipping address, phone number and email, RMA number, and reason for the return (including, if applicable, information about the firearm, ammunition, and usage environment for defective returns). Do not send ammunition.
  • Wrap the item with quality padding and place it in the original packaging or in an appropriate box for shipping.
  • A UPS shipping label will be provided in your shipment. If using the original packaging, remove or cover the original shipping label. Tape the preprinted return shipping label to the outside of the box. Drop package at an official or authorized UPS drop-off location.
  • All refunds will be applied to the credit card used for the original purchase. You should allow one to two billing cycles for the refund to appear on your statement.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 9 reviews
78%
(7)
11%
(1)
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11%
(1)
M
Mitchell Carey
Right Fit

Awesome product fits nice and tight mounted with forward grip nice and solid and great price

M
Mark Gusman
Great product

Awesome company and people to deal with. A big thank you to a guy name Luke... he worked with me on a order that I messed up and I received my new part quickly. My gun looks great !!!! I have already ordered more parts from them for my wife's gun and my father inlaw is going to order from them now after hearing my story. Thank you guys for being a great company!!!!

J
Jonathan Feltis
Check the details

Only fits round front gas block mount
Regular a2 style is triangle get the non slim line
Regular MOE

So sorry to hear about the issue, Michael. We sent you an email to resolve the issue.

D
Dominick Tringali
Great product at a great price

Product was great the service was even better !!!

T
Taylor Deinhart
Awesome

Great service and fast shipping

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.