Super Modular Mk16 SM Rail 9.3" M-LOK For AR-15 BLK
$300.00 at OpticsPlanet · 6 stores
In stock Sale
Best price
$300.00at MidwayUSA
In stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| MidwayUSA Best price | $300.00checked Oct 1, 2026 | In stock | Buy at MidwayUSA | |
| Sportsman's Warehouse | $325.99checked Oct 1, 2026 | In stock | Buy at Sportsman's Warehouse | |
| Brownells | $375.00checked Oct 1, 2026 | In stock | Buy at Brownells | |
| OpticsPlanet | $375.00Salechecked Oct 1, 2026 | In stock | Buy at OpticsPlanet | |
| Ammunition Depot | $375.00checked Oct 1, 2026 | In stock | Buy at Ammunition Depot | |
| GunMag Warehouse | $375.99checked Oct 1, 2026 | In stock | Buy at GunMag Warehouse | |
| Battlehawk Armory | $279.14Salechecked Oct 1, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $332.00checked 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 MidwayUSA. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Ammunition Depot | $375.00 | $375.00 | $375.00 |
| Battlehawk Armory | $279.14 | $279.14 | $279.14 |
| Brownells | $375.00 | $375.00 | $375.00 |
| GunMag Warehouse | $375.99 | $375.99 | $375.99 |
| MidwayUSA | $300.00 | $300.00 | $300.00 |
| OpticsPlanet | $375.00 | $375.00 | $375.00 |
| Palmetto State Armory | $332.00 | $332.00 | $332.00 |
| Sportsman's Warehouse | $325.99 | $325.99 | $325.99 |
Since Sep 27, 2026.
About this part
The Mk Mk4 13.5" M-LOK Super Modular Rail DDC is a 13.5" AR-15 handguard from Geissele Automatics. It's sold by 8 stores (6 in stock), from $279.14 to $375.99. The lowest in-stock price in the last 30 days was $300.00 at MidwayUSA.
Fits and works with
- Handguard length
- 13.5" · Barrels
Specifications
- Manufacturer
- Geissele Automatics
- Platform
- AR-15
- Length
- 13.5"
- Attachment
- M-LOK
From the manufacturer
The Super Modular Rail MK4 M-LOK(TM) is Geissele's ultra-lightweight M-LOK option. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore of the rail in the 3, 6 and 9 o'clock positions. Maximum venting for heat dissipation also dramatically reduces the rails overall weight, while maintaining its same strong and rigid platform. The MK4 M-LOK rail features M-LOK slots at the 3, 6 and 9 o'clock positions as well as the upper 45Adeg quadrants. This allows the user to keep the weight on the rail system down, while keeping the modularity and versatility to attach accessories as necessary. Barrel nut wrench & gas block not in Mfg: Geissele Automatics
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