Let TPM Outfitters convert your new HK SP5K with a customer supplied barrel. 

How much is to install and headspace the barrel?:
$385 no refinish necessary.

What’s the typical lead time for this work?:
10-12 weeks depending on workload

Can I ship the gun directly to TPM?: 
Yes it’s considered gunsmithing that does not require FFL to FFL. Check your local laws to be sure.
 
BEFORE shipping to us please fill out a work order (Download Here):
 
Remove the following parts:
Trigger group
Bolt group
Factory case
You MUST ship the upper signature required to be sure we receive the gun.