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AR-15 Rifle & Pistol Barrels

When you're shopping for replacement AR-15 barrels, whether you need an AR 15 pistol barrel or an AR-15 carbine barrel, you won't do better for value and quality than the Red Barn Armory barrels shown here. We have a wide selection of AR-15 barrels in different lengths, with various finishes, calibers and twist-rates. Besides our own RBA parts, you'll also find AR match barrel models from Yankee Hill Machine, Faxon Firearms, Radical Firearms and Rainier Arms.

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Faxon Firearms - 14.5" AR15 Barrel 5.56 NATO/ Gunner Profile Faxon Firearms - 14.5" AR15 Barrel 5.56 NATO/ Gunner Profile

4150V Mid Length gas system. Gunner Profile is similar to a pencil barrel but has a longer gas block register.

Our Price: $165.00
Sale Price: $159.99
Savings: $5.01
In Stock
Faxon Firearms - 14.5" AR15 Barrel 5.56 NATO/ Gov/ SOCOM Profile 4150 QPQ Faxon Firearms - 14.5" AR15 Barrel 5.56 NATO/ Gov/ SOCOM Profile 4150 QPQ

Impressive 14.5" barrel with mid length gas system.

Our Price: $158.99
Sale Price: $144.99
Savings: $14.00
In Stock
Faxon Firearms - 18" Match Series 6.5 Grendel Barrel - Heavy Fluted 416-R - Nitrided Faxon Firearms - 18" Match Series 6.5 Grendel Barrel - Heavy Fluted 416-R - Nitrided

18" Match Series 416-R 6.5 Grendel Barrel with 5R rifling.

List Price: $319.00
Our Price: $309.99
Sale Price: $289.99
Savings: $29.01
In Stock
Yankee Hill Machine (YHM) - 16" .300 Blackout Barrel, threaded Yankee Hill Machine (YHM) - 16" .300 Blackout Barrel, threaded

This barrel from YHM is chambered in .300 Blackout, and made from 4140 steel. It has been heat treated to RC 25-32, and chrome lined, and also features M4 style feed ramps for reliable function. Threaded models feature 1/2"-36 threads for YHM muzzle brakes, flash hiders, and suppressor. Twist rate is 1 in 8". Barrel uses Carbine length gas tube, and .750" diameter gas block.

Our Price: $199.95
(Out of Stock)
Yankee Hill Machine 16" AR 5.56 Barrel YHM-47-T Yankee Hill Machine (YHM) - 16" AR 5.56 Barrel - YHM-47-T

Chambered in 5.56 and made from 4140 Steel. Each barrel is rifled in 1:7 Twist and heat treated to a Rockwell hardness of 25-32, and then finished with a melonite QPQ process. Barrels feature M4 style feed ramps for reliable function and threaded in 1/2"-28 threads to accommodate a wide selection of muzzle brakes, flash hiders, and suppressors.

Our Price: $184.99
(Out of Stock)
Faxon Firearms - 18" AR15 Barrel 5.56 GOV / SOCOM Profile 4150 QPQ - Rifle Faxon Firearms - 18" AR15 Barrel 5.56 GOV / SOCOM Profile 4150 QPQ - Rifle

Impressive 18" barel with rifle length gas system offers increased accuracy and reduced recoil.

List Price: $179.00
Our Price: $169.99
Savings: $9.01
(Out of Stock)
(2)
Faxon Firearms - 7.5" 5.56 Lightweight SOCOM AR15 Pistol Barrel (416-R SS QPQ) Faxon Firearms - 7.5" 5.56 Lightweight SOCOM AR15 Pistol Barrel (416-R SS QPQ)

416-R Stainless Steel with QPQ (black) finish. Uses standard .750" diameter gas block and pistol length gas tube.
1-8 twist rate.

List Price: $145.00
Our Price: $138.99
Savings: $6.01
(Out of Stock)
(1)
Faxon Firearms - 16" AR15 Heavy Fluted Barrel 5.56 NATO/ Mid-Length 416-R Stainless QPQ Faxon Firearms - 16" AR15 Heavy Fluted Barrel 5.56 NATO Mid-Length 416-R QPQ

Save 20% on this beautiful 16" Fluted barrel from Faxon finished in QPQ Melonite.

Our Price: $249.00
Sale Price: $229.99
Savings: $19.01
(Out of Stock)
Faxon Firearms - 16" AR15 Pencil Barrel 5.56 NATO Mid-Length 4150 QPQ Faxon Firearms - 16" AR15 Pencil Barrel 5.56 NATO Mid-Length 4150 QPQ

Lightweight AR15 pencil barrel from Faxon Firearms.

List Price: $175.00
Our Price: $166.99
Savings: $8.01
(Out of Stock)
(5)
Faxon Firearms - 10.5" 5.56 GOV/ SOCOM AR15 Pistol/SBR Barrel (416-R SS QPQ) Faxon Firearms - 10.5" 5.56 GOV/ SOCOM AR15 Pistol/SBR Barrel (416-R SS QPQ)

Lightweight 10.5" barrel for your AR pistol or SBR build.

List Price: $159.00
Our Price: $152.99
Sale Price: $139.99
Savings: $19.01
(Out of Stock)
Faxon Firearms - 18" AR15 Barrel 5.56 GOV/ SOCOM Profile 4150 QPQ - MID Faxon Firearms - 18" AR15 Barrel 5.56 GOV/ SOCOM Profile 4150 QPQ - MID

Impressive 18" barel with mid-length gas system offers increased accuracy and reduced recoil.

Our Price: $169.99
Sale Price: $149.99
Savings: $20.00
(Out of Stock)
Faxon Firearms - 16" AR15 Barrel 5.56 GOV/ SOCOM Profile 4150 QPQ - MID Faxon Firearms - 16" AR15 Barrel 5.56 GOV/ SOCOM Profile 4150 QPQ - MID

Impressive 16" AR145 barrel with mid-length gas system and QPQ finish.

Our Price: $166.99
(Out of Stock)
(1)
Faxon Firearms - 16" Gunner 5.56 Nato AR15 Barrel Mid- length - QPQ Faxon Firearms - 16" Gunner 5.56 Nato AR15 Barrel Mid- length - QPQ

16 "4150V Mid Length gas system. Gunner Profile

List Price: $175.00
Our Price: $166.99
Savings: $8.01
(Out of Stock)
(1)
Faxon Firearms - 14.5" AR15 Pencil Barrel 5.56 NATO Mid-Length 4150 QPQ Faxon Firearms - 14.5" AR15 Pencil Barrel 5.56 NATO Mid-Length 4150 QPQ

Lightweight AR15 pencil barrel from Faxon Firearms.

List Price: $169.00
Our Price: $169.00
Sale Price: $162.99
Savings: $6.01
(Out of Stock)
(1)
Faxon Firearms - 20" Match Series 6.5 Grendel Barrel - Heavy Fluted 416-R - Nitrided Faxon Firearms - 20" Match Series 6.5 Grendel Barrel - Heavy Fluted 416-R - Nitrided

20" Match Series 416-R 6.5 Grendel Barrel with 5R rifling.

List Price: $329.00
Our Price: $312.99
(Out of Stock)
(1)
Faxon Firearms - 18" Match Series Flame Fluted .223 Wylde Barrel - 416-R Nitride / Nickel Finish Faxon Firearms - 18" Match Series Flame Fluted .223 Wylde Barrel - 416-R Nitride / Nickel Finish

416-R Stainless 18" Match Series .223 Wylde Barrel with 5R rifling.

List Price: $315.00
Our Price: $312.99
(Out of Stock)
   
 

The 300 Blackout Barrel from Radical Arms is offered in 8.5-, 10.5- and 16-inch options. Blackout barrels are also available from Rainier Arms and Yankee Hill. You'll also find a fluted Yankee Hill Machine barrel and a standard YHM 16" barrel chambered in 5.56, heat-treated to a 25-32 hardness and finished in QPQ Melonite.Red Barn Armory strongly recommends that barrels only be installed by a qualified gunsmith. Headspace should be verified any time a new upper is assembled, or when a barrel or bolt is being replaced.