Daniel Defense 16" 5.56 M4 Carbine Barrel, 1-7 Twist

All Daniel Defense barrels
Daniel Defense 16" 5.56 M4 Carbine Barrel, 1-7 Twist - Barrel for AR-15 - view 1
Daniel Defense 16" 5.56 M4 Carbine Barrel, 1-7 Twist - Barrel for AR-15 - view 2
Daniel Defense 16" 5.56 M4 Carbine Barrel, 1-7 Twist - Barrel for AR-15 - view 3
Daniel Defense 16" 5.56 M4 Carbine Barrel, 1-7 Twist - Barrel for AR-15 - view 4
Daniel Defense 16" 5.56 M4 Carbine Barrel, 1-7 Twist - Barrel for AR-15 - view 5
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Daniel Defense

Overview

The Daniel Defense 16" 5.56 M4 Carbine Barrel is designed for precision and reliability, featuring a 1:7 twist rate that stabilizes a wide range of bullet weights, making it ideal for various ammunition types. With a carbine-length gas system and a .750 diameter gas block, this barrel ensures consistent cycling and performance in your AR-15 build. This barrel is typically found in builds that prioritize versatility and reliability, particularly those chambered in 5.56 NATO with a carbine gas system.

Specifications

MPN07-075-21074
CoatingManganese Phosphate
Thread Pitch1/2x28
Gas System LengthCarbine
Barrel Length12.5
Barrel ProfileM4
FinishBlack
Caliber5.56 NATO
Twist Rate1:7
Gas Block Diameter.750

Available Merchants(4)

Prices checked

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Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
Shipping Speed
In Stock
$406.99
Primary Arms logo
Primary Arms
Free shipping
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In Stock
$420.00
Brownells logo
Brownells
Free shipping
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In Stock
$441.00
Optics Planet logo
Optics Planet
Free shipping
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In Stock
$441.00

October 2026 on GunPartPicker

Daniel Defense 16" 5.56 M4 Carbine Barrel, 1-7 Twist ranked #80 of the 329 barrels builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #44 of the 1,042 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.

It was in stock most times we checked in October 2026, and today all 4 retailers we track have it in stock. It dipped to $343.99 at Ammunition Depot for a stretch in October 2026, well under its usual $406.99, so sales do come around. Buying today, the lowest price is $406.99 at Ammunition Depot, above October's low of $343.99, so a better deal may come back.

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Builds Featuring This Part

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Builds in the community that include the Daniel Defense 16" 5.56 M4 Carbine Barrel, 1-7 Twist

BuildPartsTotal
Radian Weapons 16" 5.56 build
Radian Weapons 16" 5.56
10$2899.85
16" 5.56 build
16" 5.56
23$3860.46
for plinking 16" build
for plinking 16"
24$3261.06
recce 16" 5.56 build
recce 16" 5.56
20$1913.97
home defense 16" build
home defense 16"
13$1204.78
Aero Precision 16" 5.56 build
Aero Precision 16" 5.56
12$3189.08
Backup 5.56 build build
Backup 5.56 build
10$1643.98
For plinking 16" build
For plinking 16"
12$1399.66
Wilson Combat 16" 5.56 build
Wilson Combat 16" 5.56
22$4656.42

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