Cal. N/A. S# SA26515. Bbl. N/A. MOD4SA receiver mfg. by CMMG. Left side of the receiver exhibits standard factory markings, denoting the model and cal. designations, as well as CMMG's mfg. information. Receiver exhibits a dull black finish overall, and is fitted with an A2 pattern checkered synthetic pistol grip. Receiver is complete with trigger group and small parts installed. CONDITION: excellent, with a few minor superficial handling marks overall. PROVENANCE: From the Lifetime Collection of Malcolm Zickler, Ret. USAF Lt. Col. (26-760/MLW). MODERN. $75-150.