An ACS bolt (also known as an anti-chop system) is a special type of

bolt The BOLT Browser was a web browser for mobile phones including feature phones and smartphones that can run Java ME applications. The BOLT Browser was offered free of charge to consumers and by license to mobile network operators and handset manuf ...

used in some

Paintball marker A paintball marker, also known as a paintball gun, paint gun, or simply marker, is an air gun used in the shooting sport of paintball, and the main piece of paintball equipment. Paintball markers use compressed gas, such as carbon dioxide (C ...

s. The purpose of the ACS bolt is to reduce the amount of chopping (when a paintball is pinched by the forward motion of the bolt, causing it to break) by using a system that detects when there is an obstruction in the chamber and brings the bolt back.

Tippmann Tippmann is an American manufacturer of paintball markers and paintball equipment, including military simulation (MilSim) kits. A related company, Tippmann Industrial Products manufactures manual and pneumatic heavy-duty sewing machines primar ...

has a similar system on their model line called A.C.T., or "Anti-Chop Technology".

External links

*https://web.archive.org/web/20080405212249/http://www.pbreview.com/products/reviews/3201/ *https://web.archive.org/web/20080527090102/http://www.spyder.tv/section/products/emarkers/acs/index.html Paintball equipment