+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Rainier Arms AR Ultramatch MOD2 .308 Barrel RAB-UM2-308-24-R-FF-SAT Color: Silver, Finish: Satin, $20.00 Off w/ Free Shipping

Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
1 of 7 images
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
2 of 7 images
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
3 of 7 images
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
4 of 7 images
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
5 of 7 images
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
6 of 7 images
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT
7 of 7 images
Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT

Tap Tap to Zoom

Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
what is the weight of the 16" flutted barrel in .308 Expert Answer

The fluted 16" .30 Rainier Arms AR Ultramatch MOD2 Barrel weighs 2 lb 10.2 oz.

by Ethan, Gear Expert, December 19, 2025
button or cut rifling Expert Answer

The Rainier Arms AR Ultramatch MOD2 .308 Barrels are button rifled.

by Hunter, Gear Expert, September 29, 2023
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Darn good barrel for the price by Clark1sl, Verified Owner, May 31, 2024
Just bought the barrel a week ago and already put 100 rds through it so far. Very accurate barrel, more accurate than I am and the finish on it is amazing. I've been getting consistent .6 to .7 moa groupings using hornady match 178 grains and federal...
Read More...
1/1 found this helpful
Read 1 Review
Color:
Silver
Finish:
Satin
Caliber:
.308 Winchester
Barrel Length:
24 in
Barrel Profile:
M4
Gas System Length:
Rifle Length
Gas Block Journal Size-Diameter:
.936 in
Barrel Twist Rate:
1-10
Flutes:
No
Gun Make:
AR Platform
Gun Model:
AR-10
Condition:
New
Firearms Threads Per Inch:
5/8x24

Code: 4ZM-ATB-S4-RAB-UM2-308-24-R-FF-SAT

MPN: RAB-UM2-308-24-R-FF-SAT

UPC: 744985351756

List: $450.00Save $20.00
$430.00

Buy Together and Save

OP Bucks$8.60

Product Info for Rainier Arms AR Ultramatch MOD2 .308 Barrel

Introducing their MOD2 UltraMatch 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 .308 Barrel:

Manufacturer: Rainier Arms
Color: Silver
Finish: Satin
Fabric/Material: Stainless Steel
Caliber: .308 Winchester
Barrel Length: 24 in
Barrel Profile: M4
Gas System Length: Rifle Length
Gas Block Journal Size-Diameter: .936 in
Barrel Twist Rate: 1-10
Flutes: No
Gun Make: AR Platform
Gun Model: AR-10
Condition: New
Firearms Threads Per Inch: 5/8x24

Package Contents:

  • Rainier Arms Ultramatch MOD2 .308 Barrel

What firearm models does the manufacturer say Rainier Arms AR Ultramatch MOD2 .308 Barrel is compatible with?

The manufacturer says that Rainier Arms AR Ultramatch MOD2 .308 Barrel is compatible with AR-10

Rainier Arms AR Ultramatch MOD2 .308 Barrel Orderable Models

List of Orderable Models

  • Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT , MPN: RAB-UM2-308-24-R-FF-SAT , UPC: 744985351756 , Code: 4ZM-ATB-S4-RAB-UM2-308-24-R-FF-SAT

Rainier Arms AR Ultramatch MOD2 .308 Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Rainier Arms Ultramatch MOD2 .308 Barrel, 18in Polish, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-18-R-FF-POL , MPN: RAB-UM2-308-18-R-FF-POL-EDEMO , Code: 4ZM-ATB-S4-RAB-UM2-308-18-R-FF-POL-EDEMO-US-U
  • DEMO, Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-SAT , MPN: RAB-UM2-308-24-R-FF-SAT-DEMO , Code: 4ZM-ATB-S4-RAB-UM2-308-24-R-FF-SAT-DEMO
  • DEMO, Rainier Arms Ultramatch MOD2 .308 Barrel, 18in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-18-R-FF-SAT , MPN: RAB-UM2-308-18-R-FF-SAT-DEMO , Code: 4ZM-ATB-S4-RAB-UM2-308-18-R-FF-SAT-DEMO
  • USED Rainier Arms Ultramatch MOD2 .308 Barrel, 18in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-18-R-FF-SAT, EDEMO1, Condition Parts Only/Salvage, Wrong Product , MPN: RAB-UM2-308-18-R-FF-SAT-EDEMO1 , Code: 4ZM-ATB-S4-RAB-UM2-308-18-R-FF-SAT-EDEMO-WP-F
  • Rainier Arms Ultramatch MOD2 .308 Barrel, 16in Polished, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-16-R-FF-POL , MPN: RAB-UM2-308-16-R-FF-POL , UPC: 744985351664 , Code: 4ZM-ATB-S4-RAB-UM2-308-16-R-FF-POL
  • Rainier Arms Ultramatch MOD2 .308 Barrel, 18in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-18-R-FF-SAT , MPN: RAB-UM2-308-18-R-FF-SAT , UPC: 744985351688 , Code: 4ZM-ATB-S4-RAB-UM2-308-18-R-FF-SAT
  • Rainier Arms Ultramatch MOD2 .308 Barrel, 20in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-20-R-FF-SAT , MPN: RAB-UM2-308-20-R-FF-SAT , UPC: 744985351732 , Code: 4ZM-ATB-S4-RAB-UM2-308-20-R-FF-SAT
  • Rainier Arms Ultramatch MOD2 .308 Barrel, 24in Polished, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-24-R-FF-POL , MPN: RAB-UM2-308-24-R-FF-POL , UPC: 744985351763 , Code: 4ZM-ATB-S4-RAB-UM2-308-24-R-FF-POL
  • Rainier Arms Ultramatch MOD2 .308 Barrel, 16in Satin, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-16-R-FF-SAT , MPN: RAB-UM2-308-16-R-FF-SAT , UPC: 744985351671 , Code: 4ZM-ATB-S4-RAB-UM2-308-16-R-FF-SAT
  • Rainier Arms Ultramatch MOD2 .308 Barrel, 18in Polish, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-18-R-FF-POL , MPN: RAB-UM2-308-18-R-FF-POL , UPC: 744985351695 , Code: 4ZM-ATB-S4-RAB-UM2-308-18-R-FF-POL
  • Rainier Arms Ultramatch MOD2 .308 Barrel, 20in Polished, 1-10 Twist, 5/8x24, Silver, Medium, RAB-UM2-308-20-R-FF-POL , MPN: RAB-UM2-308-20-R-FF-POL , UPC: 744985351725 , Code: 4ZM-ATB-S4-RAB-UM2-308-20-R-FF-POL
Compare (0)
1 item has been added
Add at least two items to compare