We are happy to offer complimentary installation of any CST rimfire product free of charge with purchase.  We also offer the following services:

Modify Ruger 10/22* Receiver for the Grand Master Trigger Assembly Spring Assisted Magazine Release:  $19.95

Modify Ruger* BX-1 Magazine for Original (1st Generation) CST Auto Bolt Stop:  $10.95 each

Modify Ruger* OEM Bolt for Original (1st Generation) CST Auto Bolt Stop:  $19.95

Shipping cost applies, check local firearm laws before shipping receivers. 

For further information, please feel free to contact us

* “Ruger” and “10/22” are registered trademarks of Sturm, Ruger & Co., Inc.  Custom Shooting Technologies, Inc. is not associated with Sturm, Ruger & Co., Inc.