Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

AR15/M16/308AR Barrels in various calibers machined and finished to Brownell’s specifications right here in Iowa

Features:

  • Quality AR15/M16 barrels available in a variety of chamberings including 300 Blackout, 5.56x45mm, 223 Wylde, 223 Remington & 308 Winchester
  • Available in a wide variety of contours and gas systems to meet your needs
  • Select barrels finished with a matte, black nitride finish for superior hardness, lubricity and ease of cleaning
  • Barrels are machined from 416R gun barrel steel
  • 300 Blackout barrels feature a 1-8 twist, for excellent performance with sub-sonic rounds
  • 5.56x45 barrels feature a 1-7 twist, for improved performance with military 62gr and heavier bullets
  • 18” & 20” 5.56 & 223 Wylde barrels feature a 1-8 twist, for use with a wider variety of bullet weights
  • 24” 223 Remington varmint barrel has a 1-12 twist, for lightweight varmint bullets
  • 308 barrels utilize a 1-10 twist for use with the widest variety of bullet weight
  • 223 caliber barrels use a ½-28 thread, while the 30 caliber barrels utilize a 5/8-24 threaded muzzle
  • M4 contour 14.5” barrel is machined from 4150 chrome moly steel
  • All barrels are precision button rifled
  • NOTE: The two LW barrels (080-001-013, 080-001-015) are 0.625” OD at gas block, while ALL others are 0.750” OD at gas block

narrow your choices »
Show Filters
19 Item(s)

Filtered Matches

$239.99

In Stock

Cartridge: 300 AAC Blackout

Contour: Medium

Finish: Nitride

Length: 10-1/2

Twist: 1-8

$239.99

In Stock

Cartridge: 300 AAC Blackout

Barrel Weight: 1.99 lbs

Contour: Medium

Finish: Nitride

Length: 16

Twist: 1-8

$239.99

In Stock

Cartridge: 5.56 mm NATO

Barrel Weight: 1.445 lbs

Contour: Medium

Finish: Nitride

Length: 10-1/2

Twist: 1-7

$239.99

In Stock

Cartridge: 5.56 mm NATO

Barrel Weight: 1.813 lbs

Contour: Medium

Finish: Nitride

Length: 14-1/2

Twist: 1-7

$239.99

In Stock

Cartridge: 5.56 mm NATO

Barrel Weight: 2.075 lbs

Contour: Medium

Finish: Nitride

Length: 16

Twist: 1-7

$239.99

In Stock

Cartridge: 5.56 mm NATO

Barrel Weight: 1.7 lbs

Contour: Medium

Finish: Nitride

Length: 16

Twist: 1-7

$239.99

Out of Stock

Cartridge: 5.56 mm NATO

Barrel Weight: 2.105 lbs

Contour: Medium

Finish: Nitride

Length: 16

Twist: 1-7

$239.99

Out of Stock

Cartridge: 5.56 mm NATO

Barrel Weight: 1.725 lbs

Contour: Lightweight

Finish: Nitride

Length: 16

Twist: 1-7

$239.99

Out of Stock

Cartridge: 5.56 mm NATO

Contour: Medium

Finish: Nitride

Length: 18

Twist: 1-7

$279.99

In Stock

Cartridge: 308 Winchester

Contour: Medium

Finish: Nitride

Length: 14-1/2

Twist: 1-10

$279.99

In Stock

Cartridge: 308 Winchester

Contour: Medium

Finish: Nitride

Length: 16

Twist: 1-10

$279.99

In Stock

Cartridge: 308 Winchester

Contour: Medium

Finish: Nitride

Length: 16

Twist: 1-10

$309.99

In Stock

Cartridge: 308 Winchester

Contour: Medium

Finish: Nitride

Length: 18

Twist: 1-10

$309.99

Out of Stock

Cartridge: 308 Winchester

Barrel Weight: 3.375 lbs

Contour: Medium

Finish: Nitride

Length: 20

Twist: 1-10

$299.99

In Stock

Cartridge: 7.62 x 39 mm

Barrel Weight: 2.28 lbs

Contour: Medium

Finish: Nitride

Length: 16

Twist: 1-10

Other Matches

$219.99

Out of Stock

Cartridge: 223 Wylde

Barrel Weight: 3.6 lbs

Contour: Medium

Finish: Stainless Steel

Length: 20

Twist: 1-8

$249.99

Pre-Order

Cartridge: 223 Remington

Contour: Medium

Finish: Stainless Steel

Length: 24

Twist: 1-12

$349.99

In Stock

Cartridge: 308 Winchester

Barrel Weight: 3.725 lbs

Contour: Medium

Finish: Stainless Steel

Length: 24

Twist: 1-10

$289.99

Out of Stock

Cartridge: 6.5 Grendel

Barrel Weight: 2 lbs

Contour: Medium

Finish: Stainless Steel

Length: 18

Twist: 1-8