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Rainier Arms Match Series 300BLK AR-15 Threaded Barrel Includes Coupon Available w/ Free S&H — 3 models

Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 16 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-16-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 16 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-16-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 16 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-16-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
1 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
2 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 16 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-16-P-NF-BLK
3 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 16 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-16-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
4 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
5 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
6 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
7 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
8 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
9 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
10 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
11 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
12 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
13 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
14 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
15 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
16 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 16 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-16-P-NF-BLK
17 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 16 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-16-P-NF-BLK
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 16 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-16-P-NF-BLK
18 of 18 images
Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 16 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-16-P-NF-BLK

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Up to 15% OFF Gun Parts

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Eligible models will have a savings offer. Apply coupon and add the item to your cart for savings on that select model! Limited time only. Cannot be combined with other promotions or offers.
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Product Info for Rainier Arms Match Series 300BLK AR-15 Threaded Barrel

Many have asked us to build a barrel with the same workmanship as our UltraMatch barrels while keeping it more affordable. We are able to reach our goal by sourcing a very high end barrel blank at an affordable price. We start off using a high precision match blank in 1:8 twist, machine it to the highest quality and matched with our limited-life time warranty, you have a barrel that is the best value, hands down, in the industry.image

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.

We will go toe to toe with anyone and win.

Specifications for Rainier Arms Match Series 300BLK AR-15 Threaded Barrel:

Manufacturer: Rainier Arms
Color: Black
Finish: Nitride
Caliber: .300 AAC Blackout
Gas System Length: Pistol Length
Gas Block Journal Size-Diameter: .750 in
Barrel Twist Rate: 1-8
Barrel Material: Stainless Steel
Flutes: No
Gun Make: AR Platform
Gun Model: AR-15
Firearms Threads Per Inch: 5/8x24

Package Contents:

  • Rainier Arms Match Series 300BLK AR-15 Threaded Barrel

What firearm models does the manufacturer say Rainier Arms Match Series 300BLK AR-15 Threaded Barrel is compatible with?

The manufacturer suggests that Rainier Arms Match Series 300BLK AR-15 Threaded Barrel is compatible with AR-15

Rainier Arms Match Series 300BLK AR-15 Threaded Barrel Orderable Models

List of Orderable Models

  • Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 8.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Small, RAB-M-300-85-P-NF-BLK , MPN: RAB-M-300-85-P-NF-BLK , UPC: 744985352944 , Code: 4ZM-ATB-GHBNL4-RAB-M-300-85-P-NF-BLK
  • Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 14.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-145-P-NF-BLK , MPN: RAB-M-300-145-P-NF-BLK , UPC: 744985352968 , Code: 4ZM-ATB-GHBNL4-RAB-M-300-145-P-NF-BLK
  • Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 16 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-16-P-NF-BLK , MPN: RAB-M-300-16-P-NF-BLK , UPC: 744985352975 , Code: 4ZM-ATB-GHBNL4-RAB-M-300-16-P-NF-BLK

Rainier Arms Match Series 300BLK AR-15 Threaded Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • Rainier Arms Match Series 300BLK AR-15 Threaded Barrel, 10.5 inch, Pistol Length, 1-8 Twist, 5/8 X 24, Nitride, Black, Medium, RAB-M-300-105-P-NF-BLK , MPN: RAB-M-300-105-P-NF-BLK , UPC: 744985352951 , Code: 4ZM-ATB-GHBNL4-RAB-M-300-105-P-NF-BLK
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Last updated 2026-07-09 UTC.