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Rainier Arms, LLC

Rainier Arms Ultramatch PDW Pistol-8.5" 300 blkout-Black-KAK

Rainier Arms Ultramatch PDW Pistol-8.5" 300 blkout-Black-KAK
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Availability: Out of stock




The UltraMatch™ PDW Pistol features Rainier Arms Ultramatch billet upper and lower receivers made from 7075 aluminum.  We wanted to build our rifle by using Rainier Arms Ultramatch™ 8.5" Stainless Steel Barrel. These barrels are the finest blank (Shilen Blank) contoured to our specifications for reliability and accuracy shooting. Every rifle comes with Fortis Hammer Charging Handle, 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 8.5" Stainless Steel Barrel
  • 300 AAC Blackout Chamber
  • Twist 1:8
  • Rainier Arms Match Precision BCG phosphate
  • Hera Arms Linear Compensator
  • Rainier Arms Switch 9"
  • Fortis Hammer Charging Handle
  • Forward Conrtols Design LDFA Titanium
  • 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
  • CMC Single Stage 3.5 lbs Flat Trigger
  • Rainier Arms Selector: 45 degree Standard/Short
  • Magpul MOE grip
  • KAK Shockwave Blade Pistol Stabilizer
  • Law Tactical Gen 3-M AR Folding Stock Adapter (Optional)
  • Rainier Arms minimalist covert rifle bag by Grey Ghost Gear


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-PDW-P-300Blk-8.5-KAK
Manufacturer Rainier Arms, LLC
Finish No
Barrel Length 8.5"
Caliber No
Option No
Gas Length No
Height No
Rail Length 9"
Mount No
Profile No
Reticle No
Co Witness No
Size No



Feel free to ask us any question regarding this product.