Sons of Liberty Gun Works M89H M-LOK Rail 13" Fits Knight's Armament SR25, Black
$380.00 at Ammunition Depot · 5 stores
In stock
L89 Drive Lock 13.75" M-LOK Rail W/Steel QD Sockets For AR15
Sons Of Liberty Gun Works · Rails & Handguards
No ratings yetBest price
$380.00at Brownells
In stock checked Oct 22, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $380.00checked Oct 22, 2026 | In stock | Buy at Brownells | |
| Battlehawk Armory | $396.80Salechecked Oct 1, 2026 | Check store | Buy at Battlehawk Armory | |
| Palmetto State Armory | $399.99Salechecked Sep 30, 2026 | Check store | Buy at Palmetto State Armory | |
| Ammunition Depot | $380.00checked Oct 1, 2026 | Out of stock | Buy at Ammunition Depot | |
| OpticsPlanet | $399.00Salechecked Oct 22, 2026 | Out of stock | Buy at OpticsPlanet |
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: $380.00 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 | — | $380.00 | $380.00 |
| Battlehawk Armory | — | $380.93 | $396.80 |
| Brownells | $380.00 | $380.00 | $380.00 |
| OpticsPlanet | $399.00 | $399.00 | $399.00 |
| Palmetto State Armory | — | $399.99 | $399.99 |
Since Sep 27, 2026.
About this part
The L89 Drive Lock 13.75" M-LOK Rail W/Steel QD Sockets For AR15 is a 13.75" AR-15 handguard from Sons Of Liberty Gun Works. It's sold by 5 stores (1 in stock), from $380.00 to $399.99. The lowest in-stock price in the last 30 days was $380.00 at Ammunition Depot.
Fits and works with
- Handguard length
- 13.75" · Barrels
Specifications
- Manufacturer
- Sons Of Liberty Gun Works
- Platform
- AR-15
- Length
- 13.75"
- Attachment
- M-LOK
From the manufacturer
The L89 handguard takes what makes the M89 handguard a best-in-class product and elevates it even further. Featuring a Titanium barrel nut, 7 sided M-LOK attachment slots, two integrated steel QD (limited Rotation) sockets, and maximized cooling slots beneath the 12 o'clock rail, the L89 is built for end-users who require every litle bit of mounting space they can get. Built on the M89/Drivelock lockup system, the L89 incorporates valued end user feedback in getting the most utility possible out of a handguard in modern combat applications. Maximum strength, maximum mounting space, and weight savings material choices make this one of the finest fighting handguards available to Mfg: Sons Of Liberty Gun Works
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