AR-15/M16 Mk 4 Super Modular Rails, M-LOK - 13.5" Super Modular Rail Mk4 M-LOK Black
$300.99 at Sportsman's Warehouse · 11 stores
In stock
Mk14 13.5" Super Modular Rail Handguard M-LOK DDC
Geissele Automatics · Rails & Handguards
No ratings yetBest price
$300.99at Sportsman's Warehouse
In stock Lowest in 30 dayschecked Nov 13, 2026
Fits and works with
- Handguard length
- 13.5" · Barrels
Specifications
- Manufacturer
- Geissele Automatics
- Platform
- AR-15
- Length
- 13.5"
- Attachment
- M-LOK
- Material
- Aluminum
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Sportsman's Warehouse Best price | $300.99checked Nov 13, 2026 | In stock | Buy at Sportsman's Warehouse | |
| Kentucky Gun Co | $326.28checked Nov 13, 2026 | In stock | Buy at Kentucky Gun Co | |
| Brownells 17.76% off · ends Nov 15 · exclusions apply | $375.00checked Nov 13, 2026 | In stock | Buy at Brownells | |
| OpticsPlanet | $375.00Salechecked Nov 13, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $375.00checked Nov 13, 2026 | In stock | Buy at Ammunition Depot | |
| MidwayUSA | $375.00checked Nov 13, 2026 | In stock | Buy at MidwayUSA | |
| Battlehawk Armory | $309.25Salechecked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| GrabAGun | $309.99checked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| AR15Discounts 5% off | $375.00checked Nov 13, 2026 | Check store | Buy at AR15Discounts | |
| Palmetto State Armory | $375.99checked Nov 13, 2026 | Check store | Buy at Palmetto State Armory |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $300.99 at Sportsman's Warehouse. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $375.00 | $375.00 | $375.00 |
| Ammunition Depot | $375.00 | $375.00 | $375.00 |
| Battlehawk Armory | $309.25 | $295.07 | $309.25 |
| Brownells | $375.00 | $375.00 | $375.00 |
| GrabAGun | $309.99 | $309.99 | $309.99 |
| Kentucky Gun Co | $326.28 | $315.99 | $326.28 |
| MidwayUSA | $375.00 | $318.75 | $375.00 |
| OpticsPlanet | $375.00 | $337.50 | $375.00 |
| Palmetto State Armory | $375.99 | $375.99 | $375.99 |
| Sportsman's Warehouse | $300.99 | $300.99 | $300.99 |
Since Sep 27, 2026.
About this part
The Mk14 13.5" Super Modular Rail Handguard M-LOK DDC is a 13.5" AR-15 handguard from Geissele Automatics. It's sold by 10 stores (6 in stock), from $300.99 to $375.99. The lowest in-stock price in the last 30 days was $300.99 at Sportsman's Warehouse.
From the manufacturer
The Geissele MK14 Super Modular Rail tactical AR-15 handguard has a slim cross-section that makes it is ideal for shooters who use rail covers and/or a vertical grip - and who also employ the thumb-over-the-bore support hand grasp. Similar to their MK13 SMR, the Geissele MK14 delivers acres of real estate for mounting accessories, with M-LOK slots running the handguard's full length at the 3, 6, and 9 o'clock positions. The MK14 Super Modular Rail also sports an uninterrupted Picatinny rail running the full length of the top. Geissele even thoughtfully includes sockets for QD pushbutton sling swivels at the 11 and 1 o'clock positions at the rear. Strong & l Mfg: Geissele Automatics
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