Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Excellent Balance Between Strength & Weight Savings

Chambered in 5.56mm NATO, these medium profile barrels feature a 1-7 twist with 1/2"-28 muzzle threads, and accept .750" diameter gas blocks. Barrels are available in either 416 stainless steel or 4140 chrome moly steel with a nitride finish.Select either a 12.5" barrel with a carbine length gas system, 16" barrel mid-length gas system, or an 18" barrel with rifle length gas system.

SPECS: 4140 chrome moly steel or 416 stainless steel. Nitride black finish or stainless steel. 1/2"-28 muzzle threads. 750" OD Gas Block.

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AR15 16" 5.56 BARREL 4140 MT
100-014-829WB
AR15 16" 5.56 Barrel 4140 MT
100014829AR15 16" 5.56 Barrel 4140 MT

Mfr Part: 55DC70A

$189.99

In Stock

Cartridge: 5.56 mm NATO

Contour: Medium

Finish: Nitride

Length: 16

Gas System Length: Mid-Length

Muzzle Threads: 1/2-28, ...

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AR15 16" 5.56 BARREL 416SS MT
100-014-830WB
AR15 16" 5.56 Barrel 416SS MT
100014830AR15 16" 5.56 Barrel 416SS MT

Mfr Part: 55D590A

$199.99

In Stock

Cartridge: 5.56 mm NATO

Contour: Medium

Finish: Stainless Steel

Length: 16

Gas System Length: Mid-Length

Muzzle Threads: 1/2-28, ...

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AR15 18" 5.56 BARREL 416SS MT
100-014-831WB
AR15 18" 5.56 Barrel 416SS MT
100014831AR15 18" 5.56 Barrel 416SS MT

Mfr Part: 55D660A

$209.99

In Stock

Cartridge: 5.56 mm NATO

Contour: Medium

Finish: Stainless Steel

Length: 18

Gas System Length: Rifle

Muzzle Threads: 1/2-28, ...

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AR15 12.5" 5.56 BARREL 4140 MT
100-014-832WB
AR15 12.5" 5.56 Barrel 4140 MT
100014832AR15 12.5" 5.56 Barrel 4140 MT

Mfr Part: 55DDF0A

$199.99

In Stock

Cartridge: 5.56 mm NATO

Contour: Medium

Finish: Nitride

Length: 12-1/2

Gas System Length: Carbine

Muzzle Threads: 1/2-28, ...

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AR-15/M16 5.56MM BARRELS