Own one the lightest and most feared carbon fiber barrels in paintball. The Stiffi Classic Series is loaded with features:

At 53 grams (under 2 ounces) Stiffi Barrels are 3 to 7 times lighter than Metal Barrels
Proudly Made in the USA
Stiffi's MicroJeweled bore creates a hi-tech polymer glass-like finish giving you unparalleled accuracy.
The only one-piece Barrel with a Stepped Bore.
Proven to be one of the Quietest barrels on the market.
Zero co-efficient of Thermal Expansion Will not expand and contract with temperature changes, giving you consistent accuracy.
Rated as the Most Accurate barrel in the game.
Gram-for-gram the Stiffest Barrel on the market.