I'd give Ranger Point Precision a call. They have massaged several of my Marlins, including both my 45-70 and 450 Marlin rifles.
Ranger Point Precision LLC
11115 Mills Rd, # 122 Cypress, TX 77429
Hours: Mon - Fri 8am - 6pm
P: 832-429-7044
rangerpointprecision
gmail.com