Welcome to Grand Masters Online!

Grand Masters L.L.C.
29739 Hwy. J
Gravois Mills, MO 65037

Business Hours: 



9:00 A.M to 4:30 P.M CST

Visit the NEW Grand Masters L.L.C. Online Store


 Power Custom has changed it's name to GrandMasters L.L.C. We are still the same great company with the same owners.  Our service and quality is still unmatched in the industry. We have expanded our product offerings.  Check out the links below for our new products that have been added in the last month. Also, we want to thank all the troops in Iraq and all of our great service men for keeping this country free.  Thanks Again.   

Power Custom, Inc. is the parent
company to
Redstar Arms, Inc.

Power Custom Gunsmithing Services
Power Custom will now install our parts on your Ruger 10-22.

Power Custom Classics 


Always check the What's New link for the latest website updates and the SPECIALS! link for sale pricing!

Power Custom Online features a Secure Server Shopping Cart for safe and easy online ordering.

10-22 Double Big Headed Saftey  U. S. Design Patent # D 458,333.
Free Spin Pawl®
is a Registered trademark of Power Custom, Inc. U. S. Patent # 6,385,888. The AK-47 Trigger is U.S. Patent # 6,772,548.
Grandmaster® is a Registered trademark of Power Custom, Inc. Trademark Registration # 1,179,035. The Ram's head with Silhouette is trademarked # 1,282,781.
10-22® is a registered Trademark of Sturm, Ruger and Company, Inc.  
The Wichita Grandmaster Deluxe Multi-Range Sight System is Patented by Power Custom and Manufactured by Wichita Arms, Inc.  U.S. Patented # 4,208,821. 

Prices subject to change without notice.

Copyright © 1999-2006 Power Custom, Inc. All rights reserved.

Website updated and maintained by Randall W. Power
Please contact the webmaster if you encounter any problems with the site.