IBM M1 CARBINE .30 CARBINE, IBM MARKED BARREL, #3926246, MARCH 1944 MFR, EXCELLENT BORE & RIFLING, EXC M2 STOCK W/ SQUARE ON LEFT SIDE & UNREADABLE MARKINGS, “IO” MARKED SLING WELL, “IO” MARKED HAND GUARD, TYPE II RECEIVER W/SQUARE MILL CUT, 2 NOTCHES, TYPE III HOUSING LUG W/ REAR HOLE & LONG HAND GUARD LIP, “SI” MARKED TYPE III BARREL BAND, TYPE II REAR SIGHT MARKED “PI”, TYPE I-A FRONT SIGHT MARKED “N”, TYPE II FLAT BOLT “IO” MARKED, TYPE I SLIDE “PI” MARKED, TYPE IV TRIGGER HOUSING “BE-B” MARKED, TYPE III HAMMER “W” MARKED, UMARKED TYPE II SEAR, TYPE IV SAFETY “P” MARKED, TYPE III MAGAZINE CATCH, 1 15 ROUND “KI” MARKED MAGAZINE, THIS ONE WON’T LAST LONG!!