IBM M1 .30 CARBINE TYPE II SEMI AUTO RIFLE, AUG 1943 #3656680, ADJ. TYPE I FLIP REAR SITE MARKED “S”, FABRICATED FRONT SIGHT MARKED “PO B”, FLAT BOLT, TWO RIVOT HAND GUARD, I-CUT HIGH WOOD STOCK, W-CROSSED CANNON PROOFED, IBM BARREL DATED “8-43” WITH “FIRE BOMB” BELOW, NO BAYO-LUG, SLING WELL MARKED “RMC-B”, W/OLIVE DRAB SLING & OILER, EXC BRIGHT BORE, ME-1+, 98%