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Rainier Arms, LLC

Rainier Arms UltraMatch .308 Rifle DPMS Fluted Barrel - 24

Rainier Arms UltraMatch .308 Rifle DPMS Fluted Barrel - 24
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Availability: Out of stock




We wanted to build an .308 barrel using the finest blank and 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. The Rainier Match Chamber is a modified .308 WIN-7.62 NATO chamber to produce ultimate reliability and accuracy shooting both the 7.62 NATO & .308 WIN rounds.


  • Stainless Steel Match Grade Shilen Blank
  • Length: 24"
  • Twist: 1:10
  • Gas Block Seat: .936 Diameter
  • Thread Pitch: 5/8X24
  • .308 Rainier Match Chamber
  • Rifle Gas System
  • 6 Groove
  • M4 Feed Ramps
  • Proprietary Contour
  • Bead Blasted Finish
  • Weight: 3 lbs 12.8 oz


  • DPMS

Barrel Care

For your convenience we have published barrel care recommendations for this product. The instructions are in Adobe Acrobat's Portable Document Format (PDF). You will need Adobe Acrobat Reader version 5.0 or higher to view and print the instructions.

If you do not have Adobe's Acrobat Reader, you can download a free copy at

Additional Info

Additional Info

Manufacturer Rainier Arms, LLC
Finish Stainless Steel
Barrel Length 24"
Caliber .308 Win
Configuration DPMS
Option No
Gas Length Rifle
Height No
Rail Length No
Mount No
Profile No
Reticle No
Co Witness No
Size No


Customer Reviews (5)

shoots great & looks awesome...Review by Jim
I purchased this barrel for my "cmmg" ar-10, had it installed at my local gun-shop/gunsmith, took it to the range and followed the rcmnd break-in procedures, took 3 shots to zero my scope & went to work... got nothing but sub moa shots on target at 100, 200 & 300 yrds. looking forward to going to my other local range for some long-range shooting.
this barrel not only shoots amazingly well... it looks freakin' awesome. (Posted on 7/18/2016)
Great productReview by Jason
Bought this to complete a sniper rifle and it's great. Accurate as hell. Please follow the "break in" procedure exactly as suggested. Would definitely buy again even at $572 price. (Posted on 7/6/2016)
Most Excellent, Extremely AccurateReview by Thomas
Purchased for my Maten MKM Extended Rifle Length build, and couldn't be happier!! Excellent build quality, superb machining, looks stellar, very accurate. Just sighting in my Nikon M-308 BDC with 147 grain Winchester 7.62 NATO target ammo, I'm seeing sub MOA accuracy.. Definitely recommend this barrel to anyone wanting to build a precision rifle platform, that will reach out and touch something with great accuracy. (Posted on 12/26/2015)
I absolutely love this barrel!!! The fluting and the finish on the barrel is aesthetically pleasing to the eye, it also saves on weight. In the chamber, it has a mirror finish and the M4 extension is a very tight and sturdy fit in my fallout 10 upper receiver. If you want a high quality barrel for your 308 rifle without cutting corners, this is the barrel you should buy. Definitely worth the money. (Posted on 10/29/2015)
Great, Solid Barrel with incredible accuracyReview by Tony
I purchased this barrel as an upgrade to the Rainier Arms AR10 build that I have, I wanted a more precise barrel for .308, and the guys at RA helped me pick this one out. Solid build, great looking fluting and a real accurate barrel. The barrel is much more accurate than I am at this time, and I look forward to keep improving my abilities with this build. (Posted on 4/8/2015)

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