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Rainier Arms UltraMatch MOD2 6.5 Grendel - 18"


In stock

Satisfaction Guarantee

We are so confident in our barrels that we offer a 100% money back guarantee within 90 days of purchase.  If our barrels don’t meet or exceed your expectations, for any reason, return it for a full refund.

Rainier Arms Free Ground Shipping

Introducing our MOD2 UltraMatch barrel using the finest blank. Our goal is to mass produce them to bring them to market at the most competitive prices. We wanted the best balance between accuracy while keeping the weight down as much as possible. 

Guarantee sub-MOA with factory match ammunition.

  • Stainless Steel Match Grade Blank
  • TiN Extension
  • Length: 18"
  • Twist: 1:8
  • Thread Pitch: 5/8x24
  • .750 Gas Block Seat
  • 6.5 Grendel SAAMI Spec (Type 2) Chamber
  • Rifle Gas System (Gas Tube not Included)
  • M4 Feed Ramps
  • Proprietary Contour
  • Bead Blasted Finish/Polished
  • Fluted
  • Weight: 2 lbs 4.4 oz


Our Craftsmanship Guarantee

We are so confident in the craftsmanship of our barrels, if our barrel doesn’t outshoot your similar priced barrel, send it back for a full refund. While most companies strive for faster production time to cut cost, we strive only for quality. Our barrels are made the old-fashioned way by True Barrel Artisans™. Every barrel is carefully chambered & crowned by hand. We have a few secrets up our sleeves that no CNC machine can reproduce. There are no shortcuts with our barrels, period.

We will go toe to toe with anyone and win.

More Information
Product Type Barrel
Manufacturer Rainier Arms, LLC
Gas Block Diameter .750"
Thread Pitch 5/8x24
Twist Rate 1:8
Gas Length Rifle
Barrel Profile Full-fluted
Barrel Length 18"
Caliber 6.5 Grendel

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