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Rainier Arms, LLC

Rainier Arms Ultramatch Rifle - 16-Fortis Switch Rail / Straight

Rainier Arms Ultramatch Rifle - 16-Fortis Switch Rail / Straight
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Availability: Out of stock




Introducing Rainier Arms UltraMatch™ Rifle - 16

The UltraMatch™ Rifle 16" weighs in at 6 lbs and 15.8 oz. It features our new Rainier Arms Switch™ with a slant or Fortis Rail system - 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 wanted to build our rifle by using Rainier Arms Ultramatch™ 16" 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 Mega Arms Slide Lock charging handle, 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 16" Stainless Steel Barrel
  • Twist 1:8
  • Mid Length Gas System
  • Rainier Arms Match BCG
  • Rainier Arms Compensator
  • Rainier Arms Switch w/ Slant or Fortis Switch Rail System 14"
  • Mega Arms Slide Lock Charging Handle
  • Rainier Arms Titanium Forward Assist
  • 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 and Mag Release
  • Flared Magwell
  • Integrated Trigger Guard
  • Battle Arms Development Titanium Pivot/Takedown Enhanced pin set
  • Geissele Combat Trigger - SSA
  • Rainier Arms Selector: 45 degree Standard/Short
  • Magpul MOE+ grip
  • B5 Systems SOPMOD 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 RA UltraMatch Rifle 16-Fortis Switch Rail / Straight
Manufacturer Rainier Arms, LLC
Finish Black
Barrel Length 16"
Caliber .223 Wylde
Configuration Fortis Switch Rail / Straigh
Option No
Gas Length Mid
Height No
Rail Length No
Mount No
Profile No
Reticle No
Co Witness No
Size No


Customer Reviews (1)

perfectReview by Jason
Very impressive firearm. I do 3 gun competition with an aimpoint on this rifle and so far its a beast. Never jams, fails, just chugs along producing some impressive groups with 55 grain cheap ammo like dented cases, reloaded, 200 for a 1000. So far after buying this rifle I haven't even considered buying match ammo because if you produce 1 MOA groups at 100 with a red dot and cheap ammo why spend the extra money. The safety is a dream and the whole gun functions very smooth. Wish I had another to run tac ops. (Posted on 6/21/2016)

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