ON SALE !!!!   Thats right, its finally here. The long awaited MINI bolt spring kits. Each kit includes 3 different force springs, from hard to soft and a new bumer/ spacer.  All springs have LESS force than your stock MINI bolt spring, its a tuners delight. This kit is optimized for use with our Delrin V3 bolt for reduced input pressures, reduced firing signature, improved shot consistency, reduced bolt wear while reducing mass. Check the forums, this is what people are talking about..

• each kit contains 3 spring, each with a different force
• includes spacer when using blue spring and 2nd o-ring removed 
• color coded for easy identification
• lowers your input pressure and dwell when used w/ V3 bolt
• improved shot consistency
• lower pressure is easier on paint

Spring Chart Below

1. (RED = Hardest)
2. (Yellow = Mid)
3. (Blue = Weakest)

Warning-May not work properly with stock or some other aftermarket bolts.

List Price: $15.95/ea
Our Price: $7.95/ea
(You Save: $8.00/ea)