16″ 5.56 NATO 1:8 Twist Black Nitride M4 Mid-Length Barrel

Upgrade your AR-15 build with the 16″ 5.56 NATO 1:8 Twist Black Nitride M4 Mid-Length Barrel, a precision-engineered component designed for superior accuracy, reliability, and long-term durability in tactical and recreational shooting scenarios.

Why Choose NBS Brand Barrels

Here at AR15Discounts.com we work with a wide variety of machine shops and barrel manufacturers. When we come across a barrel maker we like, we will often decide to private label those barrels for resale under the NBS brand. We purchase these barrels in large quantities and then pass the savings on to our customers.

Why buy an NBS Brand Barrel:

• American Made – Sourced from a variety of Tier 1 Manufacturers here in the United States
• Quality Control – All barrels are manufactured under ISO-9001 or better quality standards
• MOA Guarantee – All barrels 16 and longer are guaranteed to hold 1 MOA or better using properly weighted match grade factory ammo and shooting from a rest.
• Best Value for the Money

Key Features and Benefits

• 16-inch length with M4 profile delivers optimal balance between maneuverability and velocity for mid-range engagements while reducing overall rifle weight.
• Black Nitride finish provides exceptional corrosion resistance and a smooth, low-friction surface that extends barrel life and simplifies cleaning.
• 1:8 twist rate stabilizes a wide range of bullet weights from 55 to 77 grains for versatile performance across defensive, competition, and hunting loads.
• Mid-length gas system ensures reliable cycling with reduced recoil and improved accuracy compared to carbine-length setups.
• 1/2×28 muzzle threads allow easy attachment of suppressors, flash hiders, or compensators to customize your setup.

Technical Specifications

• Finish: Nitride / Melonite
• Barrel Profile: M4
• Cartridge Compatibility: 5.56 NATO
• Gas Block Journal: 0.75
• Barrel Length: 16″
• Gas System Length: Midlength
• Platform: AR-15
• Twist Rate: 1:8
• Muzzle Thread Pattern: 1/2×28
• Weight: 28 oz

This barrel addresses common pain points like excessive recoil, premature wear, and inconsistent accuracy by combining premium materials with proven engineering. Whether you are building a home-defense rifle or a precision competition gun, it delivers consistent results shot after shot.

Invest in dependable performance today and experience the difference a quality barrel makes in your next range session or build.