Features:

• Tapered face allows sooner ball drop into breech
• Delrin version weighs 5.7gr. which is 6.3gr. less than stock.  52.5% less weight than stock with o-rings installed!
• Improved shot consistency
• Increases velocity
• Lowers operating pressure
• Reduces bolt wear and reduces cycling kick
• Low pressure, less weight = NO KICK

Spring Kit Features:

• Contains 3 springs, each with a different force.
• Color coded for easy identification - red - hardest, yellow - mid, blue - weakest
• Lowers your input pressure and dwell when used with V2 bolt
• Improved shot consistency
• Low pressure is easier on paint

O-Ring Kit Features:

• Full 3 time bolt rebuild kit for the Invert Mini