My Account

product categories

Site Information

Rainier Arms EVOLUTION Free Float KeyMod Rail System

  • Rainier Arms EVOLUTION 12" Free Float Rail System
  • Rainier Arms EVOLUTION 12" Free Float Rail System Back
  • Rainier Arms EVOLUTION 12" Free Float Rail System Side
  • Rainier Arms EVOLUTION 12" Free Float Rail System Rear
  • Rainier Arms EVOLUTION 12" Free Float Rail System Side 1
  • Rainier Arms EVOLUTION 12" Free Float Rail System Front
  • Rainier Arms EVOLUTION 9" Free Float KeyMod Rail System Front
  • Rainier Arms EVOLUTION 9" Free Float KeyMod Rail System Side
  • Rainier Arms EVOLUTION 9" Free Float KeyMod Rail System Rear
  • Rainier Arms EVOLUTION 15" Free Float KeyMod Rail System Side
  • Rainier Arms EVOLUTION 15" Free Float KeyMod Rail System Rear
  • Rainier Arms EVOLUTION 15" Free Float KeyMod Rail System Front
  • Rainier Arms EVOLUTION 15" Free Float KeyMod Rail System Front View
  • Rainier Arms EVOLUTION 15" Free Float KeyMod Rail System Rear View

Rainier Arms EVOLUTION Free Float KeyMod Rail System

Shipping:
Calculated at checkout
$165.00 $155.95

Find Similar Products by Category

MPN: RA821, RA823, RA824

Features:

  • Free Float Design
  • Thermal bushings clip to any Mil-Spec barrel nut
  • Relieved for Most Gas Piston Systems
  • Rail Includes Integrated Anti-Rotation Tabs
  • Keymod Modular attachment system
  • Precision Laser Engraving
  • Continuous top Picatinny rail

Specifications:

  • Material: 6061 T6 Aluminum
  • Finish: Type III Mil-Spec Hard Coat Anodized
  • Inner Diameter: 1.56"
  • Outer Diameter: 1.8"
Weight Length
9-inch 8.8 oz. 9.0"
12-inch 10.4 oz. 12.3"
15-inch 12 oz. 15.0"

*Barrel nut not included

Details:

Finish off your AR-15 build or give your current one a significant improvement with the Rainier Arms EVOLUTION Free Float KeyMod Rail System.

It is machined from the famously tough 6061-T6 aluminum to give you a handguard that can stand up to the most rugged conditions without weighing your weapon down. Rainier Arms applies type-3 hardcoat anodize for a lifetime of protection against corrosive elements.

The EVOLUTION goes above and beyond with its accessory mounting capabilities. For starters, there is a continuous Picatinny rail on top that gives you ample space for your optic of choice. There are also KeyMod slots on the three remaining sides for grips, lasers, lights, or anything else you wish to attach. Finally, it has quick detach sling mounting sockets on both the left and right sides at both ends. Plus, you won't find it coming loose or rotating because the anti-rotation tabs keep it right where you mounted it!

This Rainier Arms EVO KeyMod rail system lightens the load of your AR15, gives you lots of accessory mounting options, and prevails even in the most aggressive environments.

The Rainier Arms EVOLUTION Free Float KeyMod Rail System comes in : 9-inch, 12-inch, and 15-inch.

Write Review

  1. Great product 5 Star Review

    Posted by on 9th Aug 2015

    Sturdy and lightweight. Fit to a Mil-spec barrel nut as Expected. Time will tell with its durability, but the lockup is solid with no play.

Back to Top