The Noveske OG 5.56 Stainless Lo-Pro Gas Block Barrel in 12.5 inches (brand part no. 07000541) is a 5.56mm barrel made from 416R stainless steel with a 1:7 twist. It has a hand-polished Noveske proprietary match chamber, an M4-style barrel extension with extended hand-polished feed ramps, and a Noveske-marked low-profile gas block with a .750-inch journal pinned to the barrel. The muzzle is threaded 1/2×28 and finished with a 60-degree crown, and the bead-blasted barrel is individually serialized for quality-control traceability. Browse more rifle barrels from Noveske Rifleworks.

Key Specifications

• The barrel length is 12.5 inches, a compact length for a handy 5.56 build.
• The chambering is 5.56mm with a hand-polished Noveske proprietary match chamber.
• The barrel is 416R stainless steel, chosen for accuracy and corrosion resistance.
• The twist rate is 1:7, a fast twist that stabilizes heavier 5.56 bullets.
• The gas block is a Noveske-marked low-profile unit with a .750-inch journal, pinned to the barrel.
• The barrel extension is M4 style with extended hand-polished feed ramps for smooth feeding.
• The muzzle is threaded 1/2×28 for standard AR-15 muzzle devices.
• The muzzle has a 60-degree crown, which protects the rifling at the muzzle.
• The finish is bead blasted, a uniform matte surface.
• Each barrel is individually serialized, which gives Noveske quality-control traceability.

Frequently Asked Questions

Is the gas block included? Yes. A Noveske-marked low-profile gas block with a .750-inch journal is pinned to the barrel, and the barrel comes with a gas tube matched to its gas system.

What muzzle threads does it have? The muzzle is threaded 1/2×28 and finished with a 60-degree crown.

What twist rate is it? 1:7, which suits the heavier bullet weights commonly loaded in 5.56.

Buy the Noveske OG 5.56 Stainless Lo-Pro Gas Block Barrel, 12.5-Inch

A pinned low-profile gas block and a polished match chamber make this a ready-to-build 5.56 barrel. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your door.