The service department does not issue RMA or RA numbers. You only need to include a brief note explaining your concerns, and please make sure that your name, address, and phone number are listed. As long as you are a US Resident, you can ship the firearm to:
100 Springdale Rd.
Westfield, MA 01085
Attn: Service Dept.
Further information on how to send a gun in for repair can be found at the link below:
https://savagearms.com/content?p=repairs