5.56 NATO Barrels | Aerospace Arms

Explore our wide selection of 5.56 NATO barrels, designed for superior performance in your AR15 build. Engineered to handle higher pressures than .223 Remington barrels, 5.56 NATO barrels offer the versatility of safely firing both 5.56 NATO and .223 Remington ammunition. Whether you're building for tactical applications, target shooting, or general use, these barrels provide the durability and accuracy you need for consistent, reliable performance.

Faxon Firearms

Faxon Firearms Limited Edition Duty Series 16" SOCOM Profile, 5.56 NATO, Mid-Length, 4150 CMV

Retail: $179.00

Was:

Now: $170.05

Currently out of stock, check back later
Ballistic Advantage

Ballistic Advantage, Classic Series, DMR Rifle Length Barrel, 5.56NATO, 20", Black Phosphate Finish

Retail: $205.00

Was:

Now: $184.99

Add to Cart
Aero Precision

Aero Precision Lightweight 16" 5.56 NATO Mid-Length, CMV Pencil Barrel

Retail: $190.00

Was:

Now: $169.99

Add to Cart
Faxon Firearms

Faxon Firearms 14.5" Gov't / Socom, 5.56 NATO, Mid-Length, Nitrided

Retail: $165.00

Was:

Now: $156.75

Add to Cart
Faxon Firearms

Faxon Firearms Lightweight 10.5" 5.56 NATO AR15 Pencil Barrel Carbine-Length 4150 QPQ, Pinned Gas Block

Retail: $195.00

Was:

Now: $185.25

Add to Cart
Faxon Firearms

Faxon Firearms 13.9" GUNNER Light Hybrid AR15 Barrel, 5.56 NATO, Mid-Length, 4150 QPQ Nitride

Retail: $170.00

Was:

Now: $161.50

Add to Cart
Aero Precision

Aero Precision 16" M4 CMV Barrel, Carbine Length Gas System, 5.56 NATO, Black

Retail: $180.00

Was:

Now: $159.99

Add to Cart
Ballistic Advantage

Ballistic Advantage, Modern Series, 556NATO, 18", 1:7, SPR Rifle Barrel With Ops 12 Profile

Retail:

Was:

Now: $175.75

Add to Cart
Ballistic Advantage

Ballistic Advantage, Modern Series, 5.56 NATO M4 Profile Carbine Length Barrel, 16" 1:7 Twist, 4150 CrMoV, QPQ finish

Retail: $160.00

Was:

Now: $159.95

Add to Cart
Ballistic Advantage

Ballistic Advantage, Modern Series, 5.56 NATO Government Profile Mid-Length Barrel, 16" 1:7 Twist, 4150 CrMoV ,QPQ finish

Retail:

Was:

Now: $166.25

Add to Cart
Faxon Firearms

Faxon Firearms 20" GUNNER Light Hybrid, 5.56 NATO, Rifle-Length, 4150 QPQ Nitride

Retail: $199.00

Was:

Now: $189.05

Add to Cart
Faxon Firearms

Faxon Firearms Lightweight 14.5" 5.56 NATO Pencil Barrel Mid-Length 4150 QPQ

Retail: $175.00

Was:

Now: $160.55

Currently out of stock, check back later
Faxon Firearms

Faxon Firearms 18" GUNNER Light Hybrid, 5.56 NATO, Rifle Length, 4150 QPQ

Retail: $185.00

Was:

Now: $175.75

Add to Cart
Faxon Firearms

Faxon Firearms 16" Gov't / Socom, 5.56 NATO, Mid-Length, 4150 QPQ

Retail: $169.00

Was:

Now: $160.55

Add to Cart
Faxon Firearms

Faxon Firearms Duty Series 16" GUNNER Light Hybrid, 5.56 NATO, Mid-Length, 4150 QPQ

Retail: $175.00

Was:

Now: $169.95

Add to Cart
Faxon Firearms

Faxon Firearms 14.5" GUNNER Light Hybrid, 5.56 NATO, Mid-Length, 4150 QPQ

Retail: $165.00

Was:

Now: $156.75

Add to Cart
Faxon Firearms

Faxon Firearms Lightweight 16" 5.56 NATO Mid-Length, Pencil Barrel 4150 QPQ, Nitrided (FREE SHIPPING)

Retail: $185.00

Was:

Now: $172.99

Add to Cart

Faxon Firearms

Faxon Firearms Limited Edition Duty Series 16" SOCOM Profile, 5.56 NATO, Mid-Length, 4150 CMV

Manufactured in-house, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. Quality is imbued into our barrels from the start. We start with the best materials, either certified 4150...

Retail: $179.00

Was:

Now: $170.05

Currently out of stock, check back later
Ballistic Advantage

Ballistic Advantage, Classic Series, DMR Rifle Length Barrel, 5.56NATO, 20", Black Phosphate Finish

At Ballistic Advantage they produce quality AR barrels that exceed the most enduring demands of their customers. All of their AR barrels surpass the competition in accuracy, precision, and beautifully contoured aesthetics. BA's engaged team of engineers...

Retail: $205.00

Was:

Now: $184.99

Add to Cart
Aero Precision

Aero Precision Lightweight 16" 5.56 NATO Mid-Length, CMV Pencil Barrel

Aero Precision's 16" 5.56 Pencil Profile Mid-Length Barrel is the perfect addition for your AR15 build. Crafted to mil- spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish, this barrel provides time tested precision and...

Retail: $190.00

Was:

Now: $169.99

Add to Cart
Faxon Firearms

Faxon Firearms 14.5" Gov't / Socom, 5.56 NATO, Mid-Length, Nitrided

Manufactured in-house, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. Quality is imbued into our barrels from the start. We start with the best materials, either certified 4150...

Retail: $165.00

Was:

Now: $156.75

Add to Cart
Faxon Firearms

Faxon Firearms Lightweight 10.5" 5.56 NATO AR15 Pencil Barrel Carbine-Length 4150 QPQ, Pinned Gas Block

If you're looking for a more robust mounting method for your gas block... look no further. Pinning your gas block, in addition to the use of set screws, gives the user the extra piece of mind that your gas block won't shift or loosen while firing. We...

Retail: $195.00

Was:

Now: $185.25

Add to Cart
Faxon Firearms

Faxon Firearms 13.9" GUNNER Light Hybrid AR15 Barrel, 5.56 NATO, Mid-Length, 4150 QPQ Nitride

Just what is the GUNNER profile? The GUNNER (all caps, as it is that awesome) is the pinnacle of performance, weight, balance, and value. Designed by our competition shooting staff for those who value performance and versatility, the GUNNER profile...

Retail: $170.00

Was:

Now: $161.50

Add to Cart
Aero Precision

Aero Precision 16" M4 CMV Barrel, Carbine Length Gas System, 5.56 NATO, Black

Aero Precision's 16" 5.56 M4 Profile Barrel is the perfect addition to your AR15 build. Crafted to mil- spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish, this barrel provides time tested precision and accuracy for your...

Retail: $180.00

Was:

Now: $159.99

Add to Cart
Ballistic Advantage

Ballistic Advantage, Modern Series, 556NATO, 18", 1:7, SPR Rifle Barrel With Ops 12 Profile

This 5.56 chambered 18 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. This barrel features a longer .750" profile dimension necessary for proper...

Retail:

Was:

Now: $175.75

Add to Cart
Ballistic Advantage

Ballistic Advantage, Modern Series, 5.56 NATO M4 Profile Carbine Length Barrel, 16" 1:7 Twist, 4150 CrMoV, QPQ finish

At Ballistic Advantage they produce quality AR barrels that exceed the most enduring demands of their customers. All of their AR barrels surpass the competition in accuracy, precision, and beautifully contoured aesthetics. BA's engaged team of engineers...

Retail: $160.00

Was:

Now: $159.95

Add to Cart
Ballistic Advantage

Ballistic Advantage, Modern Series, 5.56 NATO Government Profile Mid-Length Barrel, 16" 1:7 Twist, 4150 CrMoV ,QPQ finish

At Ballistic Advantage they produce quality AR barrels that exceed the most enduring demands of their customers. All of their AR barrels surpass the competition in accuracy, precision, and beautifully contoured aesthetics. BA's engaged team of engineers...

Retail:

Was:

Now: $166.25

Add to Cart
Faxon Firearms

Faxon Firearms 20" GUNNER Light Hybrid, 5.56 NATO, Rifle-Length, 4150 QPQ Nitride

Just what is the GUNNER profile? The Gunner profile is a blend of two of the best performing profiles of all time, Gov't and Pencil. Proving that every once and awhile, the Government can do something right, the Gunner's profile from the...

Retail: $199.00

Was:

Now: $189.05

Add to Cart
Faxon Firearms

Faxon Firearms Lightweight 14.5" 5.56 NATO Pencil Barrel Mid-Length 4150 QPQ

Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. Each barrel goes through a...

Retail: $175.00

Was:

Now: $160.55

Currently out of stock, check back later
Faxon Firearms

Faxon Firearms 18" GUNNER Light Hybrid, 5.56 NATO, Rifle Length, 4150 QPQ

The GUNNER (all caps, as it is that awesome) is the pinnacle of performance, weight, balance, and value. Designed by our competition shooting staff for those who value performance and versatility, the GUNNER profile is a blend of two of the best...

Retail: $185.00

Was:

Now: $175.75

Add to Cart
Faxon Firearms

Faxon Firearms 16" Gov't / Socom, 5.56 NATO, Mid-Length, 4150 QPQ

Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are fully stress releived, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. Each barrel goes...

Retail: $169.00

Was:

Now: $160.55

Add to Cart
Faxon Firearms

Faxon Firearms Duty Series 16" GUNNER Light Hybrid, 5.56 NATO, Mid-Length, 4150 QPQ

Just what is the GUNNER profile? The GUNNER (all caps, as it is that awesome) is the pinnacle of performance, weight, balance, and value. Designed by our competition shooting staff for those who value performance and versatility, the GUNNER...

Retail: $175.00

Was:

Now: $169.95

Add to Cart
Faxon Firearms

Faxon Firearms 14.5" GUNNER Light Hybrid, 5.56 NATO, Mid-Length, 4150 QPQ

Just what is the GUNNER profile? The GUNNER (all caps, as it is that awesome) is the pinnacle of performance, weight, balance, and value. Designed by our competition shooting staff for those who value performance and versatility, the GUNNER profile is a...

Retail: $165.00

Was:

Now: $156.75

Add to Cart
Faxon Firearms

Faxon Firearms Lightweight 16" 5.56 NATO Mid-Length, Pencil Barrel 4150 QPQ, Nitrided (FREE SHIPPING)

Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. Faxon uses the best materials,...

Retail: $185.00

Was:

Now: $172.99

Add to Cart