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Rainier Arms, LLC

Rainier Arms RA308 - 20 Patriot Brown

Rainier Arms RA308 - 20 Patriot Brown
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Availability: Out of stock




Introducing Rainier Arms RA308 Rifle Patriot Brown

Our focus was to develop a .308 platform that integrated a lightweight design while using the highest quality components.

The RA308 20" weighs in at 8 lbs and 15 oz. It features our new Rainier Arms Switch Rail 14". The Switch Rail has a brand new mechanism that allows a tool-less removal of the rail for easy access to the barrel nut and gas block. We also redesigned our new Rainier Arms Compensator 308(RAC) which offers enhanced recoil management and almost fully eliminates muzzle rise. We wanted to build our rifle by using Rainier Arms Ultramatch 20" Stainless Steel Barrel. These barrels are the finest blank (Shilen Blank) contoured to our specifications for reliability and accuracy shooting.

As always, we designed the rifle to be ambidextrous to accommodate our shooters. Every rifle comes with our ambidextrous charging handle, the Raptor, the built in ambidextrous bolt release, and ambidextrous 45 degrees safety selector.

All materials used are of industry-leading standards, each weapon carefully and meticulously assembled with a limited lifetime warranty.


  • Rainier Arms Ultramatch 20" Stainless Steel Barrel
  • 1 in 10 Twist
  • Rifle Gas System
  • Rainier Arms Match .308 BCG
  • Rainier Arms Compensator .308 Black Nitride Finish
  • Fortis Switch .308 Rail 14
  • Rainier Arms Raptor Ambidextrous Charging Handle
  • Rainier Arms Ultramatch 7075 Billet Upper Receiver Type III Hard Coat Anodized
  • Rainier Arms Ultramatch 7075 Billet Lower Receiver Type III Hard Coat Anodized
  • Ambidextrous Extended Bolt Release
  • Flared Magwell
  • Integrated Trigger Guard
  • CMC 2 Stage Flat Trigger
  • Rainier Arms Selector Switch - Standard / Short (90 Degree)
  • MFT Engage Pistol Grip
  • MFT Battlelink Utility Stock

FFL Required Before Shipping. Please have your dealer email their license to or they can also fax it in. Please give us a few days to process the information.

Additional Info

Additional Info

SKU RA308 20 PB
Manufacturer Rainier Arms, LLC
Finish No
Barrel Length 20"
Caliber .308 Win
Configuration No
Option No
Gas Length Rifle
Height No
Rail Length 14"
Mount No
Profile No
Reticle No
Co Witness No
Size No



Feel free to ask us any question regarding this product.