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Rainier Arms, LLC

Rainier Arms UltraMatch 6.5 Grendel Barrel - 22

Rainier Arms UltraMatch 6.5 Grendel Barrel - 22
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Availability: Out of stock




Introducing our 6.5 Grendel barrel using the finest blank (Shilen). Our goal is to mass produce them to bring them to market at the most competitive prices. Our UltraMatch Barrels start out as Shilen blanks and contoured to our specifications. We wanted the best balance between accuracy while keeping the weight down as much as possible.


  • Stainless Steel Match Grade Shilen Blank
  • Length: 22"
  • Twist: 1:8
  • Gas Block Seat: .875 Diameter
  • Thread Pitch: 5/8X24
  • 6.5 Grendel Rainier Match Chamber
  • Rifle Gas System
  • Ratchet 4 groove
  • M4 Feed Ramps
  • Proprietary Contour
  • Bead Blasted Finish
  • Weight: 3 lbs 10.2 oz

Additional Info

Additional Info

SKU RAB-U-65Grendel-22
Manufacturer Rainier Arms, LLC
Finish No
Barrel Length 22"
Caliber 6.5 Grendel
Option No
Gas Length Rifle
Height No
Rail Length No
Mount No
Profile No
Reticle No
Co Witness No
Size No


Customer Reviews (3)

Perfection!Review by Brian
The barrel arrived in perfection condition. I had planned to paint it but the bead blasted look of this barrel won me over. Mated with my JP 6.5 Grendel BCG. I am getting less than 3/4 moa....DURING BREAK IN! with Hornady 123grn AMAX! The barrel is NOT heavy and balanced well with a PRS stock on my Mega Arms upper/lower. This is the first barrel I have purchased from Rainer Arms BUT IT WILL NOT BE THE LAST! (Posted on 11/7/2016)
Very Poor FInish on my barrel Review by James
I am a fan of Rainier Arms and have several barrels, all are very accurate. However, I received my 6.5 barrel with 2 large scratches in the finish of the barrel on the muzzle end at the top of the barrel. One is about 6 inches long and the other is about 2 inches long. They are not deep but they create a shiny streak on the bead blasted finish. There is also a slight bur on the edge where the barrel was cut down for the threads. That can be fixed with a little bit of stoning but the scratches will be visible. No show stoppers but disappointing on a $400 barrel. I hope that it shoots accurately when I complete the build and then I will be less annoyed but how hard is it to see the scratches and re-blast it before sending it out ... (Posted on 10/14/2016)
Just recieved it ... very poor finishReview by James
I just received the barrel, have not mounted it yet just opened the box to see scratches on the finish at the top of the barrel from the muzzle up for abut 3 inches on one and the second about 2 inches. if it would be hidden it would not be a big deal ... but this is not what you would expect for a$400 barrel. (Posted on 10/13/2016)

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