SKU: BABL556014M
UPC: 819747020109
The Ballistic Barrel 5.56 16" M4 1/7 is a precision rifle barrel engineered for intermediate-range carbine platforms. The 16-inch length strikes the balance most operators require: sufficient velocity retention for 5.56 NATO across typical engagement distances while maintaining the handling characteristics that make M4-pattern carbines the standard for tactical, law enforcement, and precision rifle applications. The 1/7 twist rate stabilizes the full spectrum of 5.56 ammunition, from 55-grain military loads to heavier match-grade rounds, ensuring consistent accuracy across platforms.
The 1/7 rifling twist is the modern standard for 5.56 barrels across military and civilian tactical platforms. This twist rate delivers superior stability compared to older 1/9 or 1/12 specifications when cycling heavier projectiles—a practical advantage in field conditions where ammunition selection is variable. A 16-inch barrel in 5.56 NATO produces approximately 2,900 feet per second with standard 62-grain loads, providing reliable velocity for defensive and training scenarios within 300 meters. The short overall length contributes to faster target acquisition and maneuverability in confined spaces—a consideration that defines why this configuration remains the baseline for military M4 carbines and law enforcement tactical rifles.
This barrel suits shooters building or upgrading M4-pattern carbines, from patrol rifles and home-defense setups to sport and match applications. The 5.56 NATO cartridge offers lower recoil than larger battle-rifle calibers while delivering proven ballistic performance at typical tactical ranges. Operators value the 16-inch / 1/7 configuration for its modularity—the barrel threads to standard AR-pattern receiver extensions, and its dimensions integrate seamlessly with common handguards, optic mounts, and suppressor systems. Whether you're assembling a duty rifle, upgrading an existing platform, or building a precision training carbine, this Ballistic Barrel 5.56 16" M4 1/7 delivers the specifications that define professional-grade M4 performance.
WARNING ⚠️
You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
Purchasing a Firearm? Click HERE to see our firearm purchasing guide.
