L89 Drive Lock 13.75" M-LOK Rail W/Steel QD Sockets For AR15
$380.00 at Brownells · 5 stores
In stock
L89 Drive Lock 9.75" M-LOK Rail W/Steel QD Sockets For AR15
Sons Of Liberty Gun Works · Rails & Handguards
No ratings yetBest price
$370.50at Brownells
Out of stock checked Oct 22, 2026
In stock now instead
- L89 Drive Lock 13.75" M-LOK Rail W/Steel QD Sockets For AR15 $380.00at Brownells
- Sons of Liberty Gun Works M89H M-LOK Rail 13" Fits Knight's Arm… $380.00at Ammunition Depot
- Mk4 10" Federal Super Modular Rail M-LOK DDC $370.40at Kentucky Gun Co
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $370.50checked Oct 22, 2026 | Out of stock | Buy at Brownells |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar handguards in stock
This part is out of stock at every store we track. These similar handguards are in stock, with today's prices.
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
Mk4 10" Federal Super Modular Rail M-LOK DDC
$370.40 at Kentucky Gun Co · 6 stores
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Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $370.50 | $370.50 | $370.50 |
Since Sep 28, 2026.
About this part
The L89 Drive Lock 9.75" M-LOK Rail W/Steel QD Sockets For AR15 is a 9.75" AR-15 handguard from Sons Of Liberty Gun Works. One store lists it, Brownells at $370.50.
Fits and works with
- Handguard length
- 9.75" · Barrels
Specifications
- Manufacturer
- Sons Of Liberty Gun Works
- Platform
- AR-15
- Length
- 9.75"
- 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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