Daniel Defense 5.56 Barrel Assemblies

The Daniel Defense 5.56 Barrel Assemblies is available now from LM Ironwerks, a licensed FFL/SOT dealer in Louisville, Kentucky.

10.3″ – Gov – Carbine

Our 10.3” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. Cold Hammer Forged from 4150 Chrome Moly Vanadium steel, this barrel is Mil-spec heavy phosphate coated and chrome lined with carbine length gas system.

Stripped Barrel – 1.15lbs
Barrel w/ LPG – 1.23lbs
Barrel w/ FSB – 1.46lbs

11.5″ – Gov – Carbine

Our 11.5” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels from 4150 Chrome Moly Vanadium steel, a process that sets us apart from other barrel manufacturers. It’s Mil-spec heavy phosphate coated and chrome lined with carbine length gas system.

Stripped Barrel – 1.28lbs
Barrel w/ LPG – 1.36lbs
Barrel w/ FSB – 1.59lbs

12.5″ – Gov – Carbine

Our 12.5” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels from 4150 Chrome Moly Vanadium steel, a process that sets us apart from other barrel manufacturers. It’s Mil-spec heavy phosphate coated and chrome lined with carbine length gas system.

Stripped Barrel – 1.40lbs
Barrel w/ LPG – 1.48lbs
Barrel w/ FSB – 1.71lbs

14.5″ – Gov – Mid-Length

Our 14.5” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels, a process that sets us apart from other barrel manufacturers. The 14.5” Government profile barrel is forged from 4150 Chrome Moly Vanadium steel, Mil-spec heavy phosphate coated and chrome lined with mid-length gas system.

Stripped Barrel – 1.50lbs
Barrel w/ LPG – 1.58lbs
Barrel w/ FSB – 1.81lbs

14.5″ – Lightweight – Mid-Length

Our Lightweight 14.5” 5.56 barrel is perfect for those looking to shed a few ounces without sacrificing durability or accuracy for their AR-15 build. We Cold Hammer Forge our barrels, a process that sets us apart from other barrel manufacturers. It’s forged from 4150 Chrome Moly Vanadium steel, Mil-spec heavy phosphate coated and chrome lined with mid-length gas system.

Stripped Barrel – 1.38lbs
Barrel w/ LPG – 1.46lbs
Barrel w/ FSB – 1.69lbs

14.5″ – M4 – Carbine

Our 14.5” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels from 4150 Chrome Moly Vanadium steel, a process that sets us apart from other barrel manufacturers. It’s Mil-spec heavy phosphate coated and chrome lined with carbine length gas system.

Stripped Barrel – 1.60lbs
Barrel w/ LPG – 1.68lbs
Barrel w/ FSB – 1.91lbs

16″ – Gov – Mid-Length

Our 16” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels, a process that sets us apart from other barrel manufacturers. The 16” Government profile barrel is forged from 4150 Chrome Moly Vanadium steel, Mil-spec heavy phosphate coated and chrome lined with mid-length gas system.

Stripped Barrel – 1.70lbs
Barrel w/ LPG – 1.78lbs
Barrel w/ FSB – 2.01lbs

16″ – Lightweight – Mid-Length

Our Lightweight 16” 5.56 barrel is perfect for those looking to shed a few ounces on their AR-15 build without sacrificing durability or accuracy. We Cold Hammer Forge our barrels, a process that sets us apart from other barrel manufacturers. It’s forged from 4150 Chrome Moly Vanadium steel, Mil-spec heavy phosphate coated and chrome lined with mid-length gas system.

Stripped Barrel – 1.50lbs
Barrel w/ LPG – 1.58lbs
Barrel w/ FSB – 1.81lbs

16″ – M4 – Carbine

Our 16” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels, a process that sets us apart from other barrel manufacturers. The 16” M4 profile barrel is forged from 4150 Chrome Moly Vanadium steel, Mil-spec heavy phosphate coated and chrome lined with carbine length gas system.

Stripped Barrel – 1.75lbs
Barrel w/ LPG – 1.83lbs
Barrel w/ FSB – 2.06lbs

18″ – S2W – Mid-Length

Our 18” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels, a process that sets us apart from other barrel manufacturers. The 18” Strength to Weight (Daniel’s Heavy Barrel) profile barrel is forged from 4150 Chrome Moly Vanadium steel, Mil-spec heavy phosphate coated and chrome lined with Mid-length gas system.

Stripped Barrel – 2.65lbs
Barrel w/ LPG – 2.73lbs

18″ – S2W – Rifle

Our 18” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels, a process that sets us apart from other barrel manufacturers. The 18” Strength to Weight (Daniel’s Heavy Barrel) profile barrel is forged from 4150 Chrome Moly Vanadium steel, Mil-spec heavy phosphate coated and chrome lined with rifle length gas system.

Stripped Barrel – 2.81lbs
Barrel w/ LPG – 2.89lbs

Buying the Daniel Defense 5.56 Barrel Assemblies from LM Ironwerks

It ships directly to the address you enter at checkout, so no dealer transfer is needed. In addition, our team reviews every order before it ships. Have a question about fit or compatibility? Contact us before you order and we’ll help. Looking for something different? Browse all of our firearm parts.