Categories All About Guns A Colt New Service “Shooting Master” They were available in .38 Special, .357 Magnum, .44 Special, .45 Colt, .45ACP. Post author By Grumpy Post date October 10, 2023 No Comments on A Colt New Service “Shooting Master” They were available in .38 Special, .357 Magnum, .44 Special, .45 Colt, .45ACP. ← An Enfield SMLE No.1 MK III in .303 British → The Colt Single Action Army: A Look Back by DAVE CAMPBELL Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ