Smart Parts special spiral porting is one of the most effective ways to improve barrel accuracy and range. The ports reduce the turbulence in front of and behind the paintball. In a standard barrel, the air in front of the ball is pushed out the end of the barrel creating turbulence that the paintball must fly through. This turbulence knocks the ball around which reduces distance and accuracy. Smart Parts uses a revolutionary Smart TuffTM Ceramic Coating which is both durable & lubricious. In addition, the Ceramic coating is impregnated with Teflon which makes it very slippery. This lubricity reduces paintball compression and wobble and therefore increases range.