Turn heads at the range with the Guntec 5.5" Rainbow PVD Tie Dye Barrel, designed for shooters who demand performance and eye-catching aesthetics in ultra-compact builds. Built from durable 4150 Chromoly Steel and finished in a stunning gloss Rainbow PVD "Tie Dye" coating, this barrel is as tough as it is beautiful.

✅ 4150 Chromoly Steel Construction
Crafted from heat-treated 4150 CMV steel for superior strength and long-lasting durability in demanding conditions.

✅ Chambered in 5.56×45 NATO (.223 Rem Compatible)
Versatile chambering accommodates both 5.56 NATO and .223 Rem, offering flexibility and reliability with a wide range of ammo.

✅ 1/2x28 Thread Pitch
Standard threading supports a variety of muzzle devices, flash hiders, compensators, or suppressors.

✅ Ultra-Fast 1:5 Twist Rate
Optimized for stabilizing lightweight, high-velocity rounds—ideal for short barrel applications.

✅ Compact Contour Profile
Slim, balanced profile reduces weight while maintaining strength and heat resistance.

✅ Custom Spiral Engraved Markings
Unique spiral engraving near the muzzle break area adds a custom touch and visual appeal.

✅ Includes Custom Short Gas Tube
Ready to run out of the box with an included micro-length gas tube designed specifically for this ultra-short setup.

✅ M4 Feed Ramps
Enhanced feed ramps ensure smooth, reliable feeding under rapid fire and varying ammo conditions.

✅ Micro Pistol-Length Gas System
Engineered for optimal cycling in extreme short barrel configurations with increased backpressure control.

✅ Gloss Rainbow PVD Coating (Tie Dye Pattern)
Stunning and highly durable finish resists heat, corrosion, and wear—delivering a unique, head-turning look for your pistol build.

Perfect for:
Shorty pistol builds, PDW-style ARs, or any custom AR platform where compact design meets vibrant style.