The Daniel Defense 5.56 Barrel (brand part no. 07-116-05042-018) is an 18-inch replacement barrel with an S2W contour, sold as the barrel only.

Key Specifications

• Chambered in 5.56.
• 18-inch barrel length, which exceeds the federal minimum rifle-barrel length.
• S2W contour profile, per its listed designation.
• Sold as the barrel only.
• Sold under Daniel Defense.

Frequently Asked Questions

Is this legal barrel length for a rifle? Yes, at 18 inches this barrel exceeds the federal minimum rifle-barrel length.

What does S2W mean? S2W refers to this barrel’s listed contour/profile designation from Daniel Defense.

Buy the Daniel Defense 5.56 Barrel, 18in, S2W

Build a rifle-length 5.56 upper around Daniel Defense’s 18-inch S2W barrel. Browse more of our AR15 barrels selection. Order the Daniel Defense 5.56 Barrel, 18in, S2W today for fast, insured shipping from a Lubbock, TX gun shop.