American Big Rigs

Anatomy of a Long-Range Precision Rifle System
An educational breakdown of optics, bolt-action mechanics, and .338 Lapua Magnum ballistics.

This poster explains optical engineering, modular chassis design, and long-range ballistics from a mechanical engineering perspective. For military history reference only.

Documentary / Educational purposes only.

12-GAUGE PLATFORM ENGINEERING: 5 US DESIGNS.

Semi-automatic and straight-pull bolt action. Public data on magazine capacity and gas systems. For mechanical design education only.

WWII PLATFORM ENGINEERING: 5 DESIGNS 1935-1942.

USA, Germany, USSR. Gas-operated, blowback, bolt-action. Public data on en-bloc clips, open bolt systems, and stamped steel manufacturing. For museum and mechanical history education only.

12-GAUGE GAS SYSTEM ENGINEERING: 3 DESIGNS 1997-2013.

Russia, Turkey, USA. Gas-operated rotating bolt, short-stroke piston. Public data on modular rails and quick-change barrels. For mechanical design education only.

CARTRIDGE ENGINEERING: HANDGUN TO LARGE CALIBER.
45 ACP, 5.56 NATO, 7.62 NATO, .338 Lapua, .50 BMG, 14.5mm, 20mm, 30mm. Public SAAMI/CIP data on case design and ballistic coefficient. For physics education only.