There must be several makers (Rem; Winchester; Stevens; Mossberg; Kimber and others) and dozens of models. See US Martial .22RF Rifles by Thomas Batha
Amazon.com: US Martial .22RF Rifles (9781880677162): Thomas D. Batha: Books
There must be several makers (Rem; Winchester; Stevens; Mossberg; Kimber and others) and dozens of models. See US Martial .22RF Rifles by Thomas Batha
Amazon.com: US Martial .22RF Rifles (9781880677162): Thomas D. Batha: Books