Check the listing for details. Unertl Scope Base Chart with Mounting Applications & Dimensions. Condition: New other (see details). Listed at 5.00 USD. Unertl Scope Base Chart: This is a professionally reproduced copy of an early Unertl Optical Company Scope base chart. The company address on the chart is 3551-55 East Street, Pittsburgh 14, Pa. Notice there is no zip code, so this sheet was produced prior to 1963. This is an exceptionally clean chart with no handwriting or other marks. Looks great framed. Chart measures 11" x 17".Details Dimensions, Heights, Lengths, Hole Spacing and Radius for the various letter coded bases. Also specifically lists letter designation the base application codes for the following rifles:BrowningColtsmanEnfieldFNKragMauser 98Remington 513Remington 40Remington 721Sako L46Sako L57Savage 110Savage 340Springfield 03, M1, M2, 03A3Stevens 322Weatherby Mark VWinchester 52 Standard and Heavy Barrel Winchester Model 70 Featherweight, Standard, Varmint, Target & Bull GunsWinchester 70 Magnum LongWinchester 75 Target It is reproduced on paper stock that is very comparable in color and weight to the original. The original sheets were quarterfolded, these have not been folded. Shipping folded in an envelope is $1.00. If you would like this sent rolled in a tube for framing, shipping will be $7.00 and you will receive a second copy for free. Just buy only 1 copy and let me know you want to be invoiced for "rolled shipping" of $7 and I will send 2 copies. This chart contains the following data: - General instructions on mounting scopes and bases along with a table of data for base separation and corresponding click values in fractions of a minute. - Chart for Unertl Scopes in Target Mounts that shows applications for 30 manufacturers/models for the Target scopes and the Vulture model. - Table of 51 letter/number code bases with radius, dimension and hole spacing data along with a diagram of each style. - Table of diagrams and data for bridge bases. Thanks for looking and please email me with any questions or if you need more pictures. Buyer is responsible for asking all pertinent questions in advance of bidding/purchase. All items are described to the best of my ability. Payment by PayPal. Contact me if that's a problem. If you receive an item from me or have any questions, please contact me first before opening a Dispute on the ebay Resolution Center. ebay counts these as black marks against sellers and they can negatively affect the selling status. I have a no questions asked return policy so you can deal with confidence and assurance on my listings.