Dynamic Research Technologies Ammunition produces lead free center fire ammunition out of Albany in Missouri. Know for their accuracy due to J4 jackets and precision in the manufacturing process. The best selling products for DRT Ammunition are 150 grain 45 ACP auto hollow points, 85 grain 9mm luger, 105 grain 40 s&w hollow point, and 85 grain 380 acp auto. Target Sports USA carries Dynamic Research Technologies Ammunition for sale online with free shipping on bulk ammunition orders.