The Official Marker and Barrel Sponsor of San Diego Dynasty!
Acculock Expansion Kit

Acculock Expansion Kit

Acculock Lifetime Insert Replacement Program

 If any of your Field One Paintball Acculock Inserts are damaged for any reason, we’ll replace it with the same or similar insert for as long as you own your kit. Just return your damaged insert to Field One Paintball at the address below with your name, address, contact info and a copy of your purchase receipt or other proof of purchase. Also include a check for $7 USD payable to Field One Paintball to cover shipping and processing.


Send your damaged insert to:


Field One Paintball

Attn: Acculock Replacement Program

34 De Luca Place Suite B

San Rafael, CA 94901


This offer is only valid for the original owner and is not transferable. Limited to one replacement of each insert per customer. Offer void where prohibited or otherwise restricted by law. Field One Paintball LLC reserves the right to modify or discontinue the terms of the Acculock Lifetime Insert Replacement Program at any time. Program does not apply to product requiring shipping outside of the United States.


Thanks again for your support. If you have any questions about the AccuLock Barrel System, please feel free to contact us by phone or email.

-F1 Team



The Acculock expansion kit comes with the remaining control bores not included in the base Acculock kit (.675, .679, .687 and .695). Complete your kit and enjoy the full barrel case as well.

  • All AccuLock Barrels are backed by the "AccuLock Lifetime Insert Replacement Program".     

  Click the gold seal for details!