15" Super Modular Rail Mk-8 M-LOK

Name: 15" Super Modular Rail Mk-8 M-LOK
Brand: Geissele Automatics
Availability: InStock

Geissele Automatics · Rails & Handguards

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Best price

$375.00at Brownells

In stock checked Oct 1, 2026

Buy at Brownells

Compare 6 stores

Where to buy

Store	Price	Availability	Buy
Brownells Best price	$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	$264.99checked Oct 1, 2026	Check store	Buy at Battlehawk Armory
Palmetto State Armory	$375.99Salechecked 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

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Lowest in-stock price in the last 30 days: $375.00 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	$375.00	$375.00	$375.00
Battlehawk Armory	$264.99	$264.99	$264.99
Brownells	$375.00	$375.00	$375.00
GunMag Warehouse	$375.99	$375.99	$375.99
OpticsPlanet	$375.00	$375.00	$375.00
Palmetto State Armory	$375.99	$375.99	$375.99

Since Sep 27, 2026.

About this part

The 15" Super Modular Rail Mk-8 M-LOK is a 15" AR-15 handguard from Geissele Automatics. It's sold by 6 stores (4 in stock), from $264.99 to $375.99. The lowest in-stock price in the last 30 days was $375.00 at Ammunition Depot.

Fits and works with

Handguard length: 15" · Barrels

Specifications

Manufacturer: Geissele Automatics
Platform: AR-15
Length: 15"
Attachment: M-LOK

From the manufacturer

Ergonomic, lightweight modular rail system offers plenty of M-LOK attachment points along the entire length. Single piece assembly is machined from a semi-billet extrusion of aircraft grade aluminum for enhanced strength and performance to weight ratio. Free floating handguard attaches via long barrel nut machined from aircraft grade aluminum with a hardcoat anodized surface. Handguard fits tightly on the barrel nut and clamps securely by two cross bolt. M-LOK technology allows shooter to place accessory rails anywhere along the length of the rail in 45Adeg intervals. Handguard has two standard, non-rotating QD slots on either side. Please note that a gas block is no longer included Mfg: Geissele Automatics SPECS: Aluminum, hardcoat anodized, matte black. 2.2" (cm) high, 1.25" (cm) I.D., 1.97 (cm) O.D.