The revolutionary Anti-Chop System is the world's first true anti-chop bolt. Simple and affordable, the ACS bolt delivers the same results as expensive markers with eyes. Just replace your existing bolt with the ACS bolt and your ready to play.

Features:

• The ACS precision spring tension recognizes obstructions before crushing balls and jamming the marker, so the action never stops
• Compatible With: Spyder E-99, E-99 Avant, Spyder Flash, Flash w/ LCD, Spyder Rodeo, Shutter, Xtra, Spyder Aggressor, Aggressor XT, Spyder TL, TL+.

Note: This bolt is NOT compatible with the 08 Xtra (classic series)