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Daniel Defense Assy 5.56mm NATO Threaded Barrel — Free 2 Day Shipping w/ code 2DAYAIR — 9 models

Special offer available for this product. Click here to see!
Daniel Defense 0707716176018 10.3 Barrel .223 Rem/5.56 NATO
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 11.5in 07-077-16522-018
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 11.5in 07-077-16522-018
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 12.5in 07-077-17022-018
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 12.5in 07-077-17022-018
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/FSB, 12.5in 07-077-10135
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/FSB, 10.3in 07-077-02123
Daniel Defense Assy Threaded Barrel, 5.56mm NATO, 10.3 in, Government, Carbine Length, 1-7 Twist, Mil-Spec Heavy Phosphate, 07-077-06128
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 10.3in, 07-077-06128
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 12.5in 07-077-07208
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 12.5in 07-077-07208
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 11.5in 07-077-07108
Daniel Defense 0707716176018 10.3 Barrel .223 Rem/5.56 NATO
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Daniel Defense 0707716176018 10.3 Barrel .223 Rem/5.56 NATO
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 11.5in 07-077-16522-018
2 of 12 images
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 11.5in 07-077-16522-018
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 11.5in 07-077-16522-018
3 of 12 images
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 11.5in 07-077-16522-018
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 12.5in 07-077-17022-018
4 of 12 images
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 12.5in 07-077-17022-018
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 12.5in 07-077-17022-018
5 of 12 images
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 12.5in 07-077-17022-018
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/FSB, 12.5in 07-077-10135
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Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/FSB, 12.5in 07-077-10135
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/FSB, 10.3in 07-077-02123
7 of 12 images
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/FSB, 10.3in 07-077-02123
Daniel Defense Assy Threaded Barrel, 5.56mm NATO, 10.3 in, Government, Carbine Length, 1-7 Twist, Mil-Spec Heavy Phosphate, 07-077-06128
8 of 12 images
Daniel Defense Assy Threaded Barrel, 5.56mm NATO, 10.3 in, Government, Carbine Length, 1-7 Twist, Mil-Spec Heavy Phosphate, 07-077-06128
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 10.3in, 07-077-06128
9 of 12 images
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 10.3in, 07-077-06128
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 12.5in 07-077-07208
10 of 12 images
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 12.5in 07-077-07208
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 12.5in 07-077-07208
11 of 12 images
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 12.5in 07-077-07208
Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 11.5in 07-077-07108
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Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 11.5in 07-077-07108

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Questions & Answers
Does this DD 10.3 barrel have the .070 gas port diameter size? Expert Answer

The 10.3" barrel has a .750 gas block journal.

by Ethan C., Gear Expert, May 23, 2019
See 3 More Answers
What is the gas port diameter on the 11.5" barrel? Expert Answer

Gas block diameter on these barrels is .750.

by Armando R., Gear Expert, March 26, 2020
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
DD 10.3 w/ gas block by Jake, Verified Owner, April 20, 2020
The product is as expected. the bore is chrome lined, the gas block comes pinned with a taper pin which I like. The barrel is dimpled (and parkerized over the dimple) to accept gas block set screws but the gas block does not come threaded to accept s...
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5/5 found this helpful
Helpful Positive Review
Solid choice by Larperator 6, Verified Owner, May 3, 2024
You can’t go wrong with DD, light weight, reliable and just overall quality. Had my shots zeroed after 4 rounds (a good optic helps with that too but it’s only half the picture). Will probably buy again for a dmr build later.
1/1 found this helpful
Helpful Positive Review
Great Barrel by Ricky, Verified Owner, October 23, 2024
Always fast shipping with OP. Not a fan of the black phosphate coating on the barrel. The barrel is a tack driver. I am unable to measure the gas port size. 10.3 comes with a pinned gas block, to my surprise the barrel was also dimpled if you want ...
Read More...
1/1 found this helpful
Helpful Positive Review
Nothing Better! by Txgreek Txgreek, Verified Owner, March 20, 2021
Built my first 12.5” pistol AR, wanted the best of the best barrels as your bcg and barrels are the heart of the ar built. Heard about DD having over gassed barrels, bought this 12.5” barrel with factory installed and pinned low profile gas block. Th...
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7/7 found this helpful
Helpful Positive Review
Daniel Defense 12.5” Barrel by McTeetles, Verified Owner, February 17, 2021
I don’t know how I got so lucky but I was looking and saw this little nugget in stock. This is a premium cold forged barrel that will never let you down in any situation. Daniel Defense is the cream of the crop. Love it when I find them in stock caus...
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2/2 found this helpful
Helpful Positive Review
Daniel Defense CHF chrome lined barrel by Alloyusa, February 24, 2021
These will out live you and your kids. I think the gas hole is a little big but D Defense makes them that way so they will run any type of ammunition you put in the tube. I run an adjustable gas block so they run like a champ. I have 3 of them, Also ...
Read More...
2/2 found this helpful
Read All 18 Reviews

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Product Info for Daniel Defense Assy 5.56mm NATO Threaded Barrel

Daniel Defense 10.3 in 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.image

Specifications for Daniel Defense Assy 5.56mm NATO Threaded Barrel:

Manufacturer: Daniel Defense
Color: Chrome
Finish: Heavy Phosphate
Fabric/Material: 4150 Chrome Moly Vanadium
Caliber: 5.56x45mm NATO
Barrel Profile: Government
Gas System Length: Carbine Length
Gas Block Journal Size-Diameter: .750 in
Threads per Inch: 1/2x28
Barrel Twist Rate: 1-7
Barrel Material: 4150 Chrome Moly Vanadium
Gun Make: AR Platform
Gun Model: AR-15
Projectile Caliber: .223 Caliber

Package Contents:

  • Daniel Defense Assy 5.56mm NATO Threaded Barrel

Daniel Defense Assy 5.56mm NATO Threaded Barrel Orderable Models

List of Orderable Models

  • Daniel Defense Rifle Barrel Assembly, 10.3in, 5.56x45mm NATO, Carbine Length, Black Phosphate 07-077-16176-018 , MPN: 07-077-16176-018 , UPC: 852548002301 , Code: DDD-ATB-DFV7R-070771617601
  • Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 12.5in 07-077-17022-018 , MPN: 07-077-17022-018 , UPC: 852548002349 , Code: DDD-ATB-DFV7R-07-077-17022-018
  • DEMO, Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 11.5in 07-077-07108 , MPN: 07-077-07108-DEMO , Code: DDD-ATB-DFV7R-07-077-07108-DEMO
  • Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 11.5in 07-077-07108 , MPN: 07-077-07108 , UPC: 815604011846 , Code: DDD-ATB-DFV7R-07-077-07108
  • Daniel Defense Assy Threaded Barrel, 5.56mm NATO, 10.3 in, Government, Carbine Length, 1-7 Twist, Mil-Spec Heavy Phosphate, 07-077-06128 , MPN: 07-077-06128 , UPC: 815604011839 , Code: DDD-ATB-DFV7R-07-077-06128
  • Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 11.5in 07-077-16522-018 , MPN: 07-077-16522-018 , UPC: 852548002325 , Code: DDD-ATB-DFV7R-07-077-16522-018
  • Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/FSB, 10.3in 07-077-02123 , MPN: 07-077-02123 , UPC: 852548002318 , Code: DDD-ATB-DFV7R-07-077-02123
  • Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 12.5in 07-077-07208 , MPN: 07-077-07208 , UPC: 815604011860 , Code: DDD-ATB-DFV7R-07-077-07208
  • Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/FSB, 12.5in 07-077-10135 , MPN: 07-077-10135 , UPC: 852548002356 , Code: DDD-ATB-DFV7R-07-077-10135

Daniel Defense Assy 5.56mm NATO Threaded Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Daniel Defense Rifle Barrel Assembly, 10.3in, 5.56x45mm NATO, Carbine Length, Black Phosphate 07-077-16176-018 , MPN: 07-077-16176-018-EDEMO , Code: DDD-ATB-DFV7R-070771617601-EDEMO-IN-D
  • USED Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 12.5in 07-077-17022-018, EDEMO1, Used, Condition Like New , MPN: 07-077-17022-018-EDEMO1 , Code: DDD-ATB-DFV7R-07-077-17022-018-EDEMO1
  • USED Daniel Defense Rifle Barrel Assembly, 10.3in, 5.56x45mm NATO, Carbine Length, Black Phosphate 07-077-16176-018, EDEMO2, Used, Condition Like New , MPN: 07-077-16176-018-EDEMO2 , Code: DDD-ATB-DFV7R-070771617601-EDEMO2
  • USED, Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR, 12.5in 07-077-17022-018 , MPN: 07-077-17022-018-EDEMO , Code: DDD-ATB-DFV7R-07-077-17022-018-EDEMO-RE-B
  • USED, Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 12.5in 07-077-07208 , MPN: 07-077-07208-EDEMO , Code: DDD-ATB-DFV7R-07-077-07208-EDEMO-RE-C
  • USED Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 11.5in 07-077-07108, EDEMO1, Condition Fair, Used , MPN: 07-077-07108-EDEMO1 , Code: DDD-ATB-DFV7R-07-077-07108-EDEMO-US-D
  • USED, Daniel Defense Assy Threaded Barrel, 5.56mm NATO, 10.3 in, Government, Carbine Length, 1-7 Twist, Mil-Spec Heavy Phosphate, 07-077-06128 , MPN: 07-077-06128-EDEMO , Code: DDD-ATB-DFV7R-07-077-06128-EDEMO-IN-C
  • USED Daniel Defense Rifle Barrel Assembly/CMV/CHF/5.56/1-7/GOV/CAR W/LPG, 11.5in 07-077-07108, EDEMO2, Used, Condition Fair , MPN: 07-077-07108-EDEMO2 , Code: DDD-ATB-DFV7R-07-077-07108-EDEMO2
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