Lead & Steel Llc LS556GOV-MID-14.5 5.56mm 14.50" Government Profile Features M4 Feed Ramps

A Lead & Steel 5.56mm government profile barrel with a 14.5-inch length and M4 feed ramps is a versatile midlength upper receiver component for AR-platform builds. Whether you're assembling a compact carbine for home defense, patrol, or intermediate-range work, this barrel gives you a balance of velocity and ergonomic handling that falls between pistol-length and rifle-length gas systems. Government profile barrels are a time-tested standard in military and civilian ARs alike, proven in everything from duty rifles to practical competition setups.

The M4 feed ramps integrated into the barrel extension ensure reliable feeding across a wide range of ammunition and magazine combinations, eliminating the feeding hiccups that can plague barrels without them. If you're upgrading an existing upper or building your first AR-15 from the ground up, this barrel is straightforward to swap in—as long as your upper receiver, bolt carrier group, and gas system are compatible with a midlength configuration. It's the kind of no-nonsense component that works quietly in the background and lets you focus on what matters: accuracy, reliability, and performance.

Lead & Steel barrels are known for holding reasonable tolerances and delivering consistent function at a fair value. A 14.5-inch government profile is especially popular with builders who want to stay handy in confined spaces without sacrificing too much ballistic performance or wanting a shorter, pistol-caliber option.

Key Features

• 14.5-inch barrel length—compact and maneuverable, ideal for midlength gas systems
• Government profile—the standard contour for reliability and ease of assembly
• 5.56mm NATO chambering—widely available, cost-effective ammunition
• M4 feed ramps—integral ramps for consistent feeding across magazine and ammunition types

Specifications

Frequently Asked Questions

What gas system length does this barrel work with?

This is a 14.5-inch government profile barrel designed for midlength gas systems. Make sure your gas tube, gas key assembly, and bolt carrier group are rated for midlength before installation.

Will this barrel feed reliably with standard magazines and ammo?

Yes. The integrated M4 feed ramps are designed to feed reliably across standard AR-15 magazines and common 5.56mm and .223 Remington ammunition.

What do I need to install this barrel on my AR-15?

You'll need an upper receiver with a barrel extension compatible with this barrel, a matched bolt carrier group, appropriate gas tube for midlength configuration, and the proper tools (barrel vise and armorers wrench are typical). If you're upgrading an existing upper, ensure your current gas system is midlength-compatible.