Rainier Arms Barrels
High-Performance AR 15 Barrels for Every Shooter
When it comes to upgrading or building your AR-15, selecting the right barrel is crucial. At Rainier Arms, we offer some of the best AR barrels designed to meet a wide range of shooting needs, from tactical applications to competitive shooting.
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Rainier Arms Match 350 Legend AR-15 Barrel - 16" Nitride★ ReviewsPopup content startsclose Popup
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Thank you for posting a review!We value your input. Share your review so everyone else can enjoy it too.Thank you for posting a review!Your review was sent successfully and is now waiting for our staff to publish it.Verified Reviewer0.0 star rating05/20/25LLeopoldo C.Verified Buyer5.0 star rating05/19/25Great MagsReview by Leopoldo C. on 19 May 2025 review stating Great MagsI was skeptical at the beginning but the price was the main factor to purchase this first pack of ten mags. Most of my ARs mags are Magpul but these KCI are a great addition, and more orders will be placed.On KCI USA AR-15 Polymer Magazine - 30rd (10 Pack)RRonald E.Verified Buyer5.0 star rating05/19/25Perfect sizeReview by Ronald E. on 19 May 2025 review stating Perfect sizePerfect size for h&k buildOn Gear Head Works Tailhook Mod 1C Brace – BlackJJoshua H.5.0 star rating05/18/25Nice Upgrade for The Wife!Review by Joshua H. on 18 May 2025 review stating Nice Upgrade for The Wife!My wife was struggling to charge her new sig and we haven’t had time to shoot a whole lot however she wants to dry fire laser shoot so I picked this up for her. Was pretty straightforward install and it certainly helped. It’s not overly soft but enough that she had a lot less trouble. Would recommend.On DPM Systems Technologies Recoil Reduction System - Sig Sauer P365XL Spectre Comp & X-Macro (Soft Version)TTylerVerified Reviewer5.0 star rating05/18/25AmazingReview by Tyler on 18 May 2025 review stating AmazingAbsolutely amazing forearm. Did a ton of research prior to picking out the platypus but was nervous buying without shooting first. I have to say this is the best handgun I own. The trigger is amazing. Little snappy but with a light it helps. Don’t hesitate if RA has it back in stock. They sold 5 in less than 4 days this last run. Worth the $On Stealth Arms Platypus 1911 Government RMR Double Stack 9mm Pistol - BLKKKailsbert G.Verified Buyer5.0 star rating05/17/25Great companyReview by Kailsbert G. on 17 May 2025 review stating Great companyGreat companyOn Icarus Precision A.C.E 365 Fuse Macro Aluminum Grip Module$260.00 -
Types of AR 15 Barrels
Understanding the different types of AR 15 Barrels can help you choose one that best suits your shooting style and needs:
- Match-Grade Barrels – These are precision barrels designed for competition and long-range shooting.
- Government Profile Barrels – Designed for standard military-style rifles, offering balanced weight and durability.
- Pencil Barrels – Lighter weight barrels that improve maneuverability without sacrificing accuracy.
- Heavy Profile Barrels – Provide improved heat resistance and reduced barrel whip for sustained fire.
- Fluted Barrels – Feature grooves cut into the barrel to reduce weight and improve cooling efficiency.
Best AR Barrels for Sale at Rainier Arms
At Rainier Arms, we offer premium-quality AR 15 Barrels designed for performance and precision. Some of our top-selling options include:
- Rainier Arms Ultramatch MOD2 .308 Win AR-10/LR308 Barrel - 20" Polished: A highly accurate match-grade barrel perfect for long-range shooting.
- Rainier Arms Ultramatch MOD2 .223 Wylde AR-15 Barrel - 16" Polished: Ideal for competition shooters and those seeking superior accuracy.
- Rainier Arms Select 7.62x51 NATO AR-10/LR308 Barrel - 10.5": A compact yet powerful option for tactical applications.
- Rainier Arms Match .308 Win AR-10/LR308 Barrel - 18": Excellent for those looking for a balance of accuracy and maneuverability.
- Rainier Arms Mountain MOD2 5.56 NATO AR-15 Barrel - 14.5": A lightweight and high-performance choice for tactical users.
Why Choose Rainier Arms AR Barrel?
Rainier Arms offers the best AR barrels that are expertly designed for shooters who prioritize precision, durability, and reliability in their rifle builds or upgrades.
- Our barrels undergo rigorous quality assurance and testing to ensure unmatched accuracy, performance, and consistency in various shooting conditions.
- Each barrel is crafted from premium materials and manufactured with cutting-edge processes for superior longevity and functionality.
- We offer a diverse selection of barrels to accommodate competitive shooters, tactical professionals, and hunting enthusiasts.
- Rainier Arms is renowned for its commitment to excellence, backed by customer satisfaction and groundbreaking advancements in firearm components.
Get the Best AR 15 Barrels for Ultimate Performance
Selecting the right AR barrel can significantly enhance your shooting experience. If you're a competitive shooter, a tactical operator, or a firearm enthusiast, Rainier Arms has the best AR barrels to match your needs. Browse our collection today to find high-performance AR barrels for sale that deliver exceptional accuracy and reliability.
Frequently Asked Questions
1. What factors should I consider when choosing an AR 15 barrel?
When selecting an AR 15 barrel, consider factors such as barrel length, material, profile, twist rate, gas system length, and intended use. Match-grade barrels are ideal for precision shooting, while heavy profile barrels offer better heat resistance for sustained fire.
2. What are the benefits of fluted AR 15 Barrels?
Fluted AR barrel is designed to reduce weight and improve cooling efficiency. The grooves cut into the barrel enhance heat dissipation, ensuring better performance during extended shooting sessions.
3. Are match-grade barrels worth the investment?
Yes, match-grade barrels provide superior accuracy and consistency, making them an excellent choice for competition shooting and long-range engagements. They undergo strict quality control to ensure precision performance.
4. Do AR 15 Barrels affect accuracy?
Yes, the quality, twist rate, and length of an AR barrel significantly impact accuracy. A well-machined, properly rifled barrel will provide tighter shot groupings and improved performance at various distances.
5. What is the best AR 15 barrel length for home defense?
For home defense, a shorter barrel, such as 10.5" to 14.5", is recommended. These lengths offer maneuverability while maintaining sufficient velocity and accuracy for close-quarters engagements.
6. How do I maintain my AR barrel for longevity?
Regularly clean your AR barrel using a bore brush and solvent to remove carbon buildup. Ensure proper lubrication, inspect for signs of wear, and avoid excessive overheating to prolong barrel life.
7. What is the difference between a government profile and a heavy profile barrel?
A government profile barrel is designed for military-style rifles, offering a balanced weight and durability. A heavy profile barrel is thicker and provides better heat resistance, making it ideal for sustained fire.
8. What materials are used in high-quality AR barrels?
Premium AR 15 Barrels are typically made from stainless steel or chrome-moly vanadium steel. Stainless steel offers enhanced accuracy, while chrome-moly steel provides durability and longevity.
9. Can I replace my AR 15 barrel myself?
Yes, if you have the proper tools and experience, you can replace your AR 15 barrel. However, professional installation is recommended to ensure proper headspacing and alignment.
10. What is the best AR barrel for long-range shooting?
For long-range shooting, a match-grade barrel with a longer length, such as 18" to 20", is ideal. These barrels provide better velocity and stability for precision shooting.
- Gas Block Diameter .750" Remove This Item
- Thread Pitch 5/8x24 (.30 cal) Remove This Item
- Finish Nitride Remove This Item
- Gas System Carbine Remove This Item