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6/21/24 : Last day of the Grads & Dads 2024 Sale - 10% off Parts & Accessories / 5% off Firearms. *some exclusions may apply*

Rainier Industries PRO Series MK2 Quad-Rail AR-15 Handguard - Black

AR-15 Handguard

In stock

Rainier Industries PRO Series MK2 Quad-Rail AR-15 Handguard - Black

$230.00 - $250.00
Rainier Arms Free Ground Shipping

Rainier Industries Pro Series line of rails were designed for the hard use, professional end-user. 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 Quad rail built to stand up to the rigors and demands of what your duty weapon requires.

Pro Series Quad Rail Features:

  • 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
  • 1.31" interior diameter, 2.2” x 1.97” outer dimensions
  • Full length picatinny rails with laser engraved position marks at the 3, 6, 9 and 12 o’clock positions
  • Compatible with most known low profile non-adjustable and adjustable gas blocks
  • Made & Assembled in USA



  • 9.55" - 16.1 oz
  • 11.75" - 19.2 oz
  • 12.55" - 20.2 oz
More Information
Product Type AR-15 Handguard
Manufacturer Rainier Industries
Inside Diameter 1.31"
Color Black
Mount Picatinny
Configuration AR-15

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