Enhance your firearm's performance with the Guntec USA BAR-5.5-RPVD-TD 5.5" barrel, meticulously designed for shooters who value both precision engineering and eye-catching design. This 5.56mm barrel, made from robust 4150 chromoly steel, guarantees exceptional accuracy and features a 1:5 twist rate, ideal for competitive shooting or recreational use. 4150 Chromoly Steel 5.56/.223 Chambered in 5.56x45 1/2 by 28 Thread 1:5 Twist Contour Profile Markings Spiral Engraved Near Break Custom Short Gas Tube Included M4 Feed Ramps Pistol Length Gas System Matte Rainbow PVD Coated Finish (Tie Dye Pattern) Upgrade your shooting setup today with the Guntec USA BAR-5.5-RPVD-TD for superior performance and striking aesthetics.