25 and 35 this is accomplished with different angled side ports the rise compensation on these parts is 20 25 and 35 this can be done with different sized holes or by placing the same sized section at a different location fore or aft as previously explained any number of differently configured removable sections is within the scope of the present invention in general the removable sections or washers are one or more devices that have gas exit ports that can slide over the compensator barrel each device has a series of ports and or slots that redirect gasses when the firearm is discharged the present invention is the only system where the user can change the direction and force of the pressurized gas without removing and reinstalling a different compensator the expulsion of gas diverted by the removable sections at predetermined angles allows the tuning of a firearm with respect to the weight of the projectile the power charge and the shooting style of the user it should be noted that when referring to the central axis of the gun barrel and the compensator or the direction of bullet travel a forward direction is away from the shooter and a rearward direction is toward the shooter it should also be noted that while the present description has concentrated on rifles and pistols the present invention can be used with any firearm including shotguns gas discharge pellet guns and other types of weapons or firearms use with any.