We have over 1000 reamers in stock, ready to ship. We also rent headspace gauges, and many popular gunsmithing tools. Our tools are well maintained and inspected before and after each rental to assure you of the highest quality tools. Our staff has well over 25 years of professional gunsmithing experience, setting us apart from the competition. 4D offers Savage pre-fit barrels in any caliber that we stock. We sell Savage barrel nuts, and rent the wrench to install the barrels. Cerrosafe is a available so you can do accurate chamber casts. 4D is also adding items for custom gunsmiths like Dakota bolt handles in 5 different patterns. Barrel blanks and other items are on the horizon.