The Lead & Steel 5.56mm Government Profile AR-15 Barrel (brand part no. LS556GOV-MID-14.5) is a 14.5-inch match-grade barrel turned from 4150 Chrome Moly Vanadium steel for builders who want a durable, accurate upper. Lead & Steel coats the barrel in a QPQ black nitride finish for corrosion and wear resistance, and cuts M4 feed ramps into the government profile for reliable feeding on a mid-length gas system. A 1:7 twist stabilizes the full range of common 5.56 bullet weights. Among our AR barrels, this Lead & Steel barrel suits builders assembling a mid-length 5.56 upper who want a genuine match-grade barrel without a premium price tag.

Key Specifications

• The chambering is 5.56mm.
• The barrel is 14.5 inches long.
• The rate of twist is 1:7 inches.
• The material is 4150 Chrome Moly Vanadium steel.
• The finish is QPQ black nitride.
• The profile is a government profile with M4 feed ramps.
• The gas system length is mid-length.

Frequently Asked Questions

Can I run this on a standard rifle-configuration lower? A 14.5-inch barrel falls under the 16-inch legal minimum for a rifle, so it requires a permanently pinned-and-welded muzzle device to reach legal length, or use on a registered pistol/SBR lower.

What gas system does this barrel need? A mid-length gas system, matched to the barrel’s gas port location.

What bullet weights does the 1:7 twist stabilize? The full common range of 5.56/.223 bullet weights, including heavier match loads.

Buy the Lead & Steel 5.56mm Government Profile AR-15 Barrel

A genuine match-grade 4150 CMV barrel with a durable nitride finish, this Lead & Steel 14.5-inch barrel gives builders real quality at an accessible price. Contact our Lubbock, Texas gun shop and we’ll get it ready as soon as it’s available to ship.