Shooting Star's Wind-Time-Mirage Bracket - Adjustable pointer for mirage or wind, Wind effect chart for right hand twist barrel, and cut-out for timer. Precision Benchrest Suppliers - Precision target, varmint and hunting rifles built to the highest standards. Robert W. Hart and Son, Inc. - Makers of custom rifles for over 40 years. Calculating Rifle Precision - Describing maximum spread verses average group radius and how to calculate rifle precision. Bedding The Stock - There are two goals to eliminate possible stress to barrel, bolt and action and to ensure movement relative to its anchor points on stock is minimized. If the action does not return to the same position on the bedding after ignition it can not be relied upon to shot with consistent precision. or accuracy. Bench-Rest-Bags for Competition Shooting (not Sand Bags) - Competition shooting sand bags that do not use them sand. Bench rest bags that are abrasive dust free. Trigger Over-travel - A how-to for eliminating trigger over travel. Minute of Angle (MOA) - An explanation of Minute of Angle (MOA) as it pertains to firearm precision and sighting scope adjustment. Rifle Stock Finishing, Refinishing and Building - The making of target crowns and the theory of operation described. Action Gun Works - Builders of long range bench rest rifles and accessories. Excel Marksman - Hans Cronander presents Excel-based Gavre and Monte Carlo calculators. Includes downloads and links to related articles. RVB Precision - A site discussing the sport of precision rifle shooting. Ruger, remington, winchester, CZ, thompson contender, gunsmithing, reloading. Bench Rest Club of St. Louis - Offers bench rest, high power and various styles of shooting. Includes training information, schedule and safety details. USBR - United States BenchRest home page.