Rainier Arms Rainier Industries Pro Series Mk2 Quad-Rail AR-15 Handguard Black 12.55 in
$240.00 at OpticsPlanet
In stock Sale
Rainier Arms Rainier Industries Pro Series MK1 M-LOK AR-15 Handguard Black 15 in
Rainier Arms · Rails & Handguards
No ratings yetBest price
$225.00at OpticsPlanet
Out of stock checked Oct 21, 2026
In stock now instead
- Rainier Arms Rainier Industries Pro Series Mk2 Quad-Rail AR-15 … $240.00at OpticsPlanet
- Q Honey Badger Pistol Handguard 6in $225.00at Ammunition Depot
- M5 (.308) Atlas R-One 15" Handguard M-LOK For AR-308 Black $224.99at Sportsman's Warehouse
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $225.00checked Oct 21, 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.
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This part is out of stock at every store we track. These similar handguards are in stock, with today's prices.
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Price history
Dashed line = out of stock. Tracking since Oct 21, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $225.00 | $225.00 | $225.00 |
Since Oct 21, 2026.
About this part
The Rainier Arms Rainier Industries Pro Series MK1 M-LOK AR-15 Handguard Black 15 in is a 15" AR-15 handguard from Rainier Arms. One store lists it, OpticsPlanet at $225.00.
Fits and works with
- Handguard length
- 15" · Barrels
Specifications
- Manufacturer
- Rainier Arms
- Color
- Black
- Platform
- AR-15
- Length
- 15"
- Attachment
- M-LOK
From the manufacturer
Rainier Arms Rainier Industries Pro Series MK1 M-Lok AR-15 Handguard Black 15 in. To achieve this we designed it an extended aluminum barrel nut and larger stainless steel mounting lugs for better rigidity to maintain a mechanical zero. The Pro Series MLOK rail is built to stand up to the rigors and demands of what your duty weapon requires. Specifications for Rainier Arms Rainier Industries Pro Series MK1 M-Lok AR-15 Handguard: Manufacturer: Rainier Arms Color: Black Finish: Mil Spec Type III Hard Coat Anodized Fabric/Material: 6000 Series Aluminium Gun Make: AR Platform Gun Model: AR-15 Gun Rail: M-LOK Attachment Type: M-LOK Features of Rainier Arms Rainier Industries Pro Series MK1 M-Lok AR-15 Handguard CNC machined 6000 series extruded Aluminum Hard Coat Anodized Milspec Type III Class 2 Black Barrel Nut is 7075 Aluminum steel wrench and mounting hardware included No Barrel nut shims required for installation Weight: 14.7 oz 1.31" interior diameter 2.0 x 1.56 outer dimensions Full length MLOK slots at the 2 3 6 9 and 10 oclock positions Laser engraved T-marks Compatible with most known low profile non-adjustable and adjustable gas blocks Made & Assembled in USA Package Contents: Rainier Arms Rainier Industries Pro Series MK1 M-Lok AR-15 Handguard Barrel nut and hardware Rainier Arms RA022: Rainier Industries Pro Series MK1 M-Lok AR-15 Handguard Black 15 in
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