You may already know this but you can get a copy of the DCM sales record card from Springfield Research Service. You must be a subscriber to U. S. Martial Arms Collector magazine to qualify to get a copy of a letter from SRS telling to whom the rifle was sold and the city and state of the buyer. Magazine subscriptions are $35.00 per year and the sales letter and a copy of the sales record card will be an additional $65.00.