The Timber Creek Outdoors Med 16 Barrel (brand part number TC556MED16) is a 16-inch AR-15 replacement barrel chambered in 5.56x45mm NATO, built with a mid-length gas system and M4 feed ramps for reliable feeding and peak performance. Timber Creek finishes the barrel in black nitride for strong protection against the elements, keeping it functional in tough conditions, and cuts a 1:7-inch twist rate to stabilize a wide range of 5.56/.223 bullet weights. The barrel ships with a free thread protector and requires a .750-inch gas block, which is sold separately.

Key Specifications

• Chambered in 5.56x45mm NATO.
• Measures 16 inches in length.
• Built with a mid-length gas system.
• Cut with M4 feed ramps for reliable feeding.
• Finished in black nitride for corrosion resistance.
• Rifled with a 1:7-inch twist rate.
• Ships with a free thread protector.
• Requires a .750-inch gas block (sold separately).
• Built as a direct AR-15 barrel replacement.

Frequently Asked Questions

What gas block does this barrel need? A .750-inch gas block, sold separately.

Does it come with a thread protector? Yes, a free thread protector is included.

What twist rate does it use? A 1:7-inch twist rate for a wide range of 5.56/.223 bullet weights.

Buy the Timber Creek Outdoors Med 16 AR Barrel, 5.56 NATO, 16-Inch

Replace your AR barrel with a durable, mid-length nitride upgrade. Order it from our Timber Creek Outdoors lineup, part of our AR barrels selection, at our Lubbock, Texas gun shop for fast, direct shipping.