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Rainier Arms AR Ultramatch MOD2 6.5 Creedmoor Barrel Up to 17% Off, Coupon Available w/ Free S&H — 6 models

Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 26in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-26-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 26in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-26-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
1 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
2 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
3 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
4 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 26in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-26-R2-FF-SAT
5 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 26in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-26-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
6 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
7 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
8 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
9 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
10 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
11 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
12 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
13 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
14 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
15 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
16 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
17 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
18 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
19 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
20 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
21 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
22 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 26in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-26-R2-FF-SAT
23 of 23 images
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 26in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-26-R2-FF-SAT

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Questions & Answers
I bought this barrel but can’t get it into my DPMS AR-10 upper receiver. Do I need a different kind of receiver to get this barrel to fit into it?

If you go online you’ll see several mentions about this, as some barrel extensions vs receivers are a very tight fit for tolerances (which most think is a good thing), and how people had to GENTLY heat the receiver to get it to expand to fit the barrel. Check online!!

by Mije S, Verified Owner, November 25, 2024
Type of rifling? That is — 5R, or 6-E, or 3P, or some other? Rainer site does not say (I already asked their site too). Can you answer this question?
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review This is the barrel! by Drew, Verified Owner, July 6, 2024
Let me start with this is a beautiful barrel. I have the satin version but I can imagine that the polished version is a piece of art. I built a 6.5 CM precision rifle and I really wanted a barrel that has rifle+2 gas system. There are many barrels ou...
Read More...
7/7 found this helpful
Read 1 Review

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Product Info for Rainier Arms AR Ultramatch MOD2 6.5 Creedmoor Barrel

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

Specifications for Rainier Arms AR Ultramatch MOD2 6.5 Creedmoor Barrel:

Manufacturer: Rainier Arms
Color: Silver
Fabric/Material: Stainless Steel
Caliber: 6.5mm Creedmoor
Barrel Profile: M4
Gas System Length: Rifle +2 Length
Gas Block Journal Size-Diameter: .875 in
Threads per Inch: 5/8x24
Barrel Twist Rate: 1-8
Flutes: Yes
Gun Make: AR Platform
Gun Model: AR-10
Condition: New

Package Contents:

  • Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel

This product is compatible with the following gun models: AR-10

Rainier Arms AR Ultramatch MOD2 6.5 Creedmoor Barrel Orderable Models

List of Orderable Models

Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-SAT , MPN: RAB-UM2-65CM-18-R-FF-SAT , UPC: 744985351787 , Code: 4ZM-ATB-CPO36-RAB-UM2-65CM-18-R-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 18in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-18-R-FF-POL , MPN: RAB-UM2-65CM-18-R-FF-POL , UPC: 744985351770 , Code: 4ZM-ATB-CPO36-RAB-UM2-65CM-18-R-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-SAT , MPN: RAB-UM2-65CM-22-R2-FF-SAT , UPC: 744985351800 , Code: 4ZM-ATB-CPO36-RAB-UM2-65CM-22-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 26in Satin, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-26-R2-FF-SAT , MPN: RAB-UM2-65CM-26-R2-FF-SAT , UPC: 744985351824 , Code: 4ZM-ATB-CPO36-RAB-UM2-65CM-26-R2-FF-SAT
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 22in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-22-R2-FF-POL , MPN: RAB-UM2-65CM-22-R2-FF-POL , UPC: 744985351909 , Code: 4ZM-ATB-CPO36-RAB-UM2-65CM-22-R2-FF-POL
Rainier Arms Ultramatch MOD2 6.5 Creedmoor Barrel, 26in Polished, 1-8 Twist, 5/8x24, Silver, Medium, RAB-UM2-65CM-26-R2-FF-POL , MPN: RAB-UM2-65CM-26-R2-FF-POL , UPC: 744985351817 , Code: 4ZM-ATB-CPO36-RAB-UM2-65CM-26-R2-FF-POL
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