SCA Buttstock (Black) Helix HELIX springs are engineered to

HELIX springs are engineered to work specifically with paintballs by exerting the right amount of force for positive feeding even at high cyclic rates

The patented design of the Lok Bolt (TM) virtually eliminates chopping on your paintball gun

and create additional friction in the feeding process

- Gets you on the field fast and doesn't break the bank

and provides a perfectly textured grip for positive handling while wearing gloves

SCA Buttstock (Black) Helix HELIX springs are engineered toThe SCA Butt stock (Standard Carbine Air) Stock works with 5oz 7oz 13ci 17ci 22ci 3000psi tanks. This buttstock allows you to use your in stock air system along with your markers.