Mk Mk4 13.5" M-LOK Super Modular Rail DDC
$304.99 at MidwayUSA · 12 stores
In stock
Super Modular Mk16 SM Rail 15" M-LOK For AR-15 BLK
Geissele Automatics · Rails & Handguards
No ratings yetBest price
$308.66at Kentucky Gun Co
In stock Lowest in 30 dayschecked Nov 13, 2026
Fits and works with
- Handguard length
- 15" · Barrels
Specifications
- Manufacturer
- Geissele Automatics
- Color
- Black
- Platform
- AR-15
- Length
- 15"
- Attachment
- M-LOK
- Material
- Aluminum
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Kentucky Gun Co Best price | $308.66checked 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 | |
| GunMag Warehouse | $375.99checked Nov 13, 2026 | In stock | Buy at GunMag Warehouse | |
| Battlehawk Armory | $279.14Salechecked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| GrabAGun | $325.00Salechecked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| AR15Discounts 5% off | $375.00checked Nov 13, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $375.00checked Nov 13, 2026 | Check store | Buy at Dirty Bird | |
| 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: $308.66 at Kentucky Gun Co. 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 | $279.14 | $279.14 | $285.84 |
| Brownells | $375.00 | $375.00 | $375.00 |
| Dirty Bird | $375.00 | $375.00 | $375.00 |
| GrabAGun | $325.00 | $325.00 | $325.00 |
| GunMag Warehouse | $375.99 | $375.99 | $375.99 |
| Kentucky Gun Co | $308.66 | $308.66 | $316.08 |
| MidwayUSA | $375.00 | $318.75 | $375.00 |
| OpticsPlanet | $375.00 | $375.00 | $375.00 |
| Palmetto State Armory | $375.99 | $375.99 | $375.99 |
Since Sep 27, 2026.
About this part
The Super Modular Mk16 SM Rail 15" M-LOK For AR-15 BLK is a 15" AR-15 handguard from Geissele Automatics. It's sold by 11 stores (6 in stock), from $279.14 to $375.99. The lowest in-stock price in the last 30 days was $308.66 at Kentucky Gun Co.
From the manufacturer
The Super Modular Rail 13.5" (SMR) MK16 M-LOKA(R), NSN# 1005-01-672-4794 (13.5"), has been adopted by USASOC for the URG-I program (Upper Receiver Group Improved). The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the updated version of the proven Geissele Barrel Nut design, the MK16 is not only easy to install and maintain but offers superior rigidity. Anti-rotation tabs and set-screws ensure that your rail will won't rotate, even under the most extreme conditions of use. M1913 picatinny rail on top and M-LOK(TM) slots on every quadrant ensures maximum customization for all your ac Mfg: Geissele Automatics
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