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MOA (Minute of Angle) and MRAD (Milliradian) are two different units of angular measurement commonly used in the field of firearms and optics. They are used to measure the size of objects or the adjustment values in rifle scopes. Here's a comparison between the two: MOA: MOA is an angular measurement unit that represents 1/60th of a degree. It is also commonly referred to as "minute of angle." In practical terms, 1 MOA subtends approximately 1.047 inches at 100 yards. MOA is often used to measure the size of groups, the accuracy of rifles, or the adjustment values on turret...

What is Ballistic Coefficient?  BC = Baallistic Coefficient M= Mass of Bullet  D = Diameter of Bullet  O = Coefficient of form. The coefficent of form can be derived by 

Holding Tight! 

SD H.U.D. is preparing for a full public launch by end of July 2018. 

As the SD group descended on "Sin City" we knew we were a little unprepared but excited to be there.  The main goal of traveling to Shot 2017 was to meet up with a few of our dealers and and make a few new contacts and of course, check out the latest and greatest that our industry has to offer. That alone is reason to visit Shot Show.  Day one we happened upon one of our dealers Team Tactical Works, Inc. w.(www.tacticalworks.com) at the Master Piece Arms (MPA) booth. We had the chance to catch up and thank them for...