AR-15/M16 Mk 4 Super Modular Rails, M-LOK - 9.3" Super Modular Rail Mk4 M-LOK BLK
$300.00 at MidwayUSA · 7 stores
In stock
Super Modular Mk16 SM Rail 9.3" M-LOK For AR-15 BLK
Geissele Automatics · Rails & Handguards
No ratings yetBest price
$300.00at Brownells
In stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $300.00checked Oct 1, 2026 | In stock | Buy at Brownells | |
| OpticsPlanet | $300.00Salechecked Oct 1, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $300.00checked Oct 1, 2026 | In stock | Buy at Ammunition Depot | |
| GunMag Warehouse | $300.99checked Oct 1, 2026 | In stock | Buy at GunMag Warehouse | |
| Battlehawk Armory | $228.74Salechecked Oct 1, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $300.99checked Oct 1, 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: $300.00 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $300.00 | $300.00 | $300.00 |
| Battlehawk Armory | $228.74 | $228.74 | $228.74 |
| Brownells | $300.00 | $300.00 | $300.00 |
| GunMag Warehouse | $300.99 | $300.99 | $300.99 |
| OpticsPlanet | $300.00 | $300.00 | $300.00 |
| Palmetto State Armory | $300.99 | $300.99 | $300.99 |
Since Sep 27, 2026.
About this part
The Super Modular Mk16 SM Rail 9.3" M-LOK For AR-15 BLK is a 9.3" AR-15 handguard from Geissele Automatics. It's sold by 6 stores (4 in stock), from $228.74 to $300.99. The lowest in-stock price in the last 30 days was $300.00 at Ammunition Depot.
Fits and works with
- Handguard length
- 9.3" · Barrels
Specifications
- Manufacturer
- Geissele Automatics
- Color
- Black
- Platform
- AR-15
- Length
- 9.3"
- Attachment
- M-LOK
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
Similar rails & handguards
Mk Mk4 13.5" M-LOK Super Modular Rail DDC
$300.00 at MidwayUSA · 8 stores
In stock
Q LLC Honey Badger M-LOK 6" AR/M4 Handguard, Black
$300.00 at OpticsPlanet · 5 stores
In stock Sale
AR-15 Slim Line Handguards W/ Flip-Up Combat Sights - 10.5" Slim Line Handguard W/ Flip-Up Combat Sights
$299.95 at Brownells
In stock
AR-15 Slim Line Handguards W/ Flip-Up Combat Sights - 12.625" Slim Line Handguard W/ Flip-Up Combat Sights
$299.95 at Brownells
In stock
PRI Gen III Round Free Float Dark Earth
$300.90 at OpticsPlanet · 3 stores
In stock Sale
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.