+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Magpul MOE Picatinny Rail Sections Mag409-BLK Gun Model: AR-15, Additional Features: 11 Slots, 39% Off

Magpul MOE Rail Section L5 MPIMAG409BLK
Magpul MOE Rail Section L5 MPIMAG409BLK
1 of 1 images
Magpul MOE Rail Section L5 MPIMAG409BLK

Tap Tap to Zoom

Questions & Answers
Looking for a Magpul rail with a flat base. Does this have a flat base, or is the one with a flat base? Expert Answer

The Magpul MLOK Hand Guard Rail Section has a flat bottom besides the mounting holes. Please email us at techsales@opticsplanet.com regarding your quesiton.

by Hunter, Gear Expert, April 24, 2023
Hey thanks in advance, Will these fit my Rock River Arms AR15? Expert Answer

If you Rock River Arms AR15 has an Magpul MOE handguard these Magpul MOE Picatinny Rail Sections will work. If your AR15 does not have an MOE handguard they will not work.

by Hunter, Gear Expert, September 7, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Very good attachment by The Hitman, Verified Owner, March 18, 2021
I saw reviews that said it wouldn't line up with the holes. Not the first time in life that I had that problem but as always I made it fit. Probably better that they don't line up perfectly since the screws will be sitting against the sides of the ho...
Read More...
2/2 found this helpful
Helpful Positive Review
Rail section by Tyler Leviner, May 17, 2020
The product is what I was expecting. Made very well and nice . Mounted very easy . And fits very good on my ar15. They haven’t came loss . They hold my flashlight and my laser . I even mounted one one on my shoutgun .
1/1 found this helpful
Helpful Positive Review
Forward grip mount rail by Chuck, March 28, 2017
I mounted it on a Ruger AR15 and the holes don't line up like they should but it fit and works good for my hand grip. It's well built and does come with mounting bolts. The shipping was a little slow but other than that it was a smooth transaction.
5/7 found this helpful
Helpful Positive Review
Magpul MOE Picatinny Rail Sections by David, January 28, 2017
Works Very Well. Mounts up nice and tight. Accessories are very easy to attach and detach. Good Strong piece will work well with any AR 15 or similar rifle. Be careful to not over tighten as it will crack the forearm.
2/2 found this helpful
Helpful Positive Review
Exactly what I needed by Sal, Verified Owner, January 6, 2016
Ordered this rail for my AR with a MOE handguard. The fit was perfect and the install was easy. Once installed and tightened down, it does not move. Used it to install a single ring flashlight and it was small enough that I could put it on the handgu...
Read More...
1/1 found this helpful
Most Recent Reviews
True Magpul parts! by Jeremy Ellis, Verified Owner, July 18, 2023
I needed a forward grip attached to my AR. My local shops didn’t carry any for some reason. I went to OP, as usual, and found what I needed. It took me a couple of minutes to attach, but after that it was all downhill! I got my grip mounted and I am ...
Read More...
Read All 32 Reviews
Gun Model: AR-15 Additional Features: 11 Slots Condition: New

Code: 55-T8-RAILSECTION-MAG409BLK

MPN: Mag409-BLK

UPC: 873750005119

List: $17.22Save 39%
$10.49

Product Info for Magpul MOE Picatinny Rail Sections

MAGPUL Moe Polymer Mil Spec 1913 Picatinny Rail Sections are essential for weapon system platform modularization in today's highly demanding world of tactical operations. Polymer Picatinny Rail Sections from Magpul Industries are made for MOE Hand Guards and Forends and other plastic hand guards. Sharp corners and edges are eliminated with beveled ends in order to reduce snagging. All mounting hardware is included with the MAGPUL Mil-Spec 1913 Picatinny MOE Picatinny Rails.image

Specifications for Magpul MOE Picatinny Rail Sections:

Manufacturer: Magpul Industries
Gun Model: AR-15
Additional Features: 11 Slots
Condition: New

Features of Magpul MOE Picatinny Rail Sections:

  • Allow the attachment of various 1913 Picatinny spec rail-mounted accessories
  • Injection molded from a proprietary reinforced composite for enhanced strength and durability while remaining lightweight
  • Beveled ends to reduce snagging and eliminate sharp corners and edges
  • All necessary mounting hardware included

Package Contents:

  • MAGPUL MOE Polymer 1913 Mil Spec Picatinny Rail Section

Magpul MOE Picatinny Rail Sections Orderable Models

List of Orderable Models

  • Magpul MOE Rail Section L5 MAG409BLK , MPN: Mag409-BLK , UPC: 873750005119 , Code: 55-T8-RAILSECTION-MAG409BLK

Magpul MOE Picatinny Rail Sections Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Magpul MOE Rail Section L2 MAG406BLK , MPN: MAG406BLK-EDEMO , Code: 55-T8-RAILSECTION-MAG406BLK-EDEMO-US-D
  • Magpul MOE Rail Section L2 MAG406BLK , MPN: MAG406BLK , UPC: 873750005089 , Code: 55-T8-RAILSECTION-MAG406BLK
  • Magpul MOE Rail Section L3 MAG407BLK , MPN: Mag407-BLK , UPC: 873750005096 , Code: 55-T8-RAILSECTION-MAG407BLK
  • Magpul MOE Rail Section L4 MAG408BLK , MPN: Mag408-BLK , UPC: 873750005102 , Code: 55-T8-RAILSECTION-MAG408BLK
  • USED Magpul MOE Rail Section L2 MAG406BLK, EDEMO18, Used, Condition Fair , MPN: Mag406-BLK-EDEMO18 , Code: 55-T8-RAILSECTION-MAG406BLK-EDEMO18
  • USED Magpul MOE Rail Section L2 MAG406BLK, EDEMO23, Used, Condition Fair , MPN: Mag406-BLK-EDEMO23 , Code: 55-T8-RAILSECTION-MAG406BLK-EDEMO23
  • USED Magpul MOE Rail Section L3 MAG407BLK, EDEMO8, Used, Condition Fair , MPN: Mag407-BLK-EDEMO8 , Code: 55-T8-RAILSECTION-MAG407BLK-EDEMO8
  • USED Magpul MOE Rail Section L4 MAG408BLK, EDEMO8, Used, Condition Fair , MPN: Mag408-BLK-EDEMO8 , Code: 55-T8-RAILSECTION-MAG408BLK-EDEMO8
  • USED Magpul MOE Rail Section L5 MAG409BLK, EDEMO10, Used, Condition Good , MPN: Mag409-BLK-EDEMO10 , Code: 55-T8-RAILSECTION-MAG409BLK-EDEMO10
  • USED Magpul MOE Rail Section L5 MAG409BLK, EDEMO11, Used, Condition Like New , MPN: Mag409-BLK-EDEMO11 , Code: 55-T8-RAILSECTION-MAG409BLK-EDEMO11
Compare (0)
1 item has been added
Add at least two items to compare