We can add  your Powerkit .50 (supplied by you) or Tuning barrel (supplied by you) send us your HDP50(supplied by you or purchase one of ours) and Powerkit or tuning barrel and we’ll get it installed, tested, lubed and shipped back to you. Return shipping available for lower 48 States only. Contact us for rates for other locations. Return shipping included. Please email us your tracking number after shipping. Turnaround time is usually 3 Business days. Return Tracking

Email us for anything outside this scope of work.

Mail to 

KRM Products LLC

903 Montauk Hwy

Unit C 5017

Copiague NY 11726