REMINGTON M1903A3 RIFLE 1943 MFR, #3502284, MANN ACCURACY DEVICE (D7553795) A CARTIDGE PRESSURE CALIBRATION DEVICE, CHAMBERED FOR SOVIET M43 (7.62MM X 39) APPEARS TO BE A VIETNAM WAR RELIC, ACQUIRED FROM CMP-SOUTH 5/18/01, MOUNTED ON M1903 SERIES RECEIVER, STAINLESS "WALKER" BARREL, APPEARS UNUSED, UNUSUAL AND SELDOM SEEN DEVICE (15 REPORTED CHAMBERED FOR 7.62 X 39) UNIQUE OPPORTUNITY FOR THE M1903 COLLECTOR TO HAVE IN THEIR COLLECTION!!!