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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.
Specifications:
Stainless Steel Match Grade Blank
TiN Extension
Length: 18"
Twist: 1:7
Thread Pitch: 5/8x24
.750 Gas Block Seat
6mm ARC Chamber
Rifle +1 Gas System (Gas Tube not Included)
M4 Feed Ramps
Proprietary Contour
Bead Blasted Finish
Fluted
Weight: 2 lbs 4.4 oz
Our Craftsmanship
Rainier barrels are meticulously designed and machined by precision gunsmiths. Our barrels are turned the same way true artisans have made premium rifle barrels for over a century. Each barrel has hand-cut chambers and crowns with the attention to detail that can only come from highly trained human intervention. While most companies strive for faster production time to cut costs, we strive for perfection. There are no shortcuts with our barrels, period.
Review by Thomas on 11 Aug 2025review stating Very satisfying
I am very satisfied with my purchase. After doing a ton of research on 6 ARC barrel options I chose ranier based off of their reputation even though there wasn’t a lot of reviews for these barrels. I’ve only taken it out once but it was a very satisfying experience. There wasn’t no break in period or any special instructions the only thing I did w...Read MoreRead more about I am very satisfied with my purchase.
as lap the upper. After zeroing the rifle I was hitting sub MOA 5 shot groups with factory ammo. I plan on doing more testing with larger sample sizes but I did take it out to 700 yards easily before running out of ammo. For the price I don’t think you can beat these barrels. Read LessRead less about I am very satisfied with my purchase.
Review by Thomas on 11 Aug 2025review stating Very satisfying
I am very satisfied with my purchase. After doing a ton of research on 6 ARC barrel options I chose ranier based off of their reputation even though there wasn’t a lot of reviews for these barrels. I’ve only taken it out once but it was a very satisfying experience. There wasn’t no break in period or any special instructions the only thing I did w...Read MoreRead more about I am very satisfied with my purchase.
as lap the upper. After zeroing the rifle I was hitting sub MOA 5 shot groups with factory ammo. I plan on doing more testing with larger sample sizes but I did take it out to 700 yards easily before running out of ammo. For the price I don’t think you can beat these barrels. Read LessRead less about I am very satisfied with my purchase.
