Moriarti AR-15 5.56x45mm NATO Threaded Barrel 5 inch Medium Micro Length 1-5 Twist 1/2x28 QPQ Corrosion Resistant Black
No ratings yetBest price
$147.99at OpticsPlanet
Out of stock Sale checked Oct 21, 2026
In stock now instead
- Moriarti AR-15 5.56x45mm NATO Threaded Barrel 13.9 inch Governm… $149.99at OpticsPlanet
- Moriarti AR-15 5.56x45mm NATO Threaded Barrel 13.9 inch Pencil … $149.99at OpticsPlanet
- AR-15 14.5" Bloodline Bbl M4 Carbine 1-7tw 1/2-28 5.56 NATO $147.60at Kentucky Gun Co
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $147.99Salechecked Oct 21, 2026 | Out of stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
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This part is out of stock at every store we track. These similar barrels are in stock, with today's prices.
Moriarti AR-15 5.56x45mm NATO Threaded Barrel 13.9 inch Government Mid Length 1-7 Twist 1/2x28 QPQ Corrosion Resistant Black
$149.99 at OpticsPlanet
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Moriarti AR-15 5.56x45mm NATO Threaded Barrel 13.9 inch Pencil Mid Length 1-7 Twist 1/2x28 QPQ Corrosion Resistant Black
$149.99 at OpticsPlanet
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Price history
Dashed line = out of stock. Tracking since Oct 17, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $147.99 | $147.99 | $147.99 |
Since Oct 17, 2026.
About this part
The Moriarti AR-15 5.56x45mm NATO Threaded Barrel 5 inch Medium Micro Length 1-5 Twist 1/2x28 QPQ Corrosion Resistant Black is a 5" 5.56 / .223 barrel from Moriarti. One store lists it, OpticsPlanet at $147.99.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 5" · Handguards
Specifications
- Manufacturer
- Moriarti
- Color
- Black
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
- Barrel length
- 5"
- Twist rate
- 1:7
- Thread pattern
- ½ x 28
From the manufacturer
Moriarti AR-15 5.56x45mm NATO Threaded Barrel 5 inch Medium Micro Length 1-5 Twist 1/2x28 QPQ Corrosion Resistant Black. 56 NATO Barrel designed for exceptional performance and reliability. Whether you're building your AR-15 rifle or pistol this barrel provides a perfect balance of strength and weight delivering outstanding accuracy and durability for a variety of shooting applications. Made from 4150 Chrome Moly Vanadium (CMV) steel and nitride coated this barrel ensures high-quality performance while offering corrosion resistance for long-lasting durability. The 1:7 twist rate stabilizes a wide range of bullet weights making it versatile for both 5.56 NATO and .223 Remington ammunition. Perfect for tactical competition or hunting builds this barrel is designed with a mid-length gas system for smoother cycling and reliability while the M4 barrel extension ensures superior feeding. Specifications for Moriarti AR-15 5.56x45mm NATO Threaded Barrel: Manufacturer: Moriarti Color: Black Fabric/Material: 4150 Chrome Moly Vanadium Caliber: 5.56x45mm NATO Gun Make: AR Platform Gun Model: AR-15 Condition: New Firearms Threads Per Inch: 1/2x28 Features of Moriarti AR-15 Moriarti 5.56 NATO Threaded AR Barrel Ideal for compact builds offering excellent maneuverability without sacrificing performance. Fully compatible with both 5.56 NATO and .223 Remington ammunition ensuring versatility in your AR-15 setup. The .750'' gas block journal allows for easy installation of low-profile gas blocks. Durable corrosion-resistant 4150 CMV steel for long-lasting performance in any condition. The 1:7 twist rate provides stability for heavier projectiles perfect for various types of ammunition. The mid-length gas system improves cycling reliability and offers reduced recoil compared to carbine systems. Nitride coating enhances durability reducing wear and increasing corrosion resistance. Standard threading for compatibility with various muzzle devices like flash hiders compensators or suppressors. The M4 barrel extension ensures compatibility with standard M4 feed ramps for reliable feeding. Balanced weight for a stable shooting experience while maintaining maneuverability. Package Contents: Moriarti AR-15 5.56x45mm NATO Threaded Barrel What firearm models does the manufacturer say Moriarti AR-15 5.56x45mm NATO Threaded Barrel is compatible with? The manufacturer says that Moriarti AR-15 5.56x45mm NATO Threaded Barrel is compatible with AR-15Moriarti MAR-556-5-BRL: AR-15 5.56x45mm NATO Threaded Barrel 5 inch Medium Micro Length 1-5 Twist 1/2x28 QPQ Corrosion Resistant Black
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