American Big Rigs

American Big Rigs "Educational content about military weapons, war machines, and defense technology from around the world."

Anatomy of a Long-Range Precision Rifle SystemAn educational breakdown of optics, bolt-action mechanics, and .338 Lapua ...
06/15/2026

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 capaci...
06/15/2026

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.

12 GAUGE BUCKSHOT COMPARISON: Spread Pattern, Pe*******on & Ballistic EffectivenessA technical analysis of projectile co...
06/15/2026

12 GAUGE BUCKSHOT COMPARISON: Spread Pattern, Pe*******on & Ballistic Effectiveness
A technical analysis of projectile construction, spread patterns, and pe*******on for #4, #1, 00, 000, and Military buckshot loads.

This infographic is for forensic ballistics and ammunition engineering education. Not a tactical guide.

Documentary purposes only.

NATO CARTRIDGE PHYSICS: 5 DESIGNS 1954-2019.5.56x45mm, 7.62x51mm, .300 Win Mag, .338 Norma Mag, 6.8x51mm SIG Fury. Publi...
06/15/2026

NATO CARTRIDGE PHYSICS: 5 DESIGNS 1954-2019.

5.56x45mm, 7.62x51mm, .300 Win Mag, .338 Norma Mag, 6.8x51mm SIG Fury. Public SAAMI data on trajectory, velocity, and hybrid case design. For physics education only.

WWII PLATFORM ENGINEERING: 5 DESIGNS 1935-1942.USA, Germany, USSR. Gas-operated, blowback, bolt-action. Public data on e...
06/15/2026

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 ACTION TYPE ENGINEERING: 4 DESIGNS.Pump-action and gas-operated. Public data on ARGO gas system, dual extractor...
06/15/2026

12-GAUGE ACTION TYPE ENGINEERING: 4 DESIGNS.
Pump-action and gas-operated. Public data on ARGO gas system, dual extractors, and AK-style action. For mechanical design education only.

US PLATFORM ENGINEERING: 1936-PRESENT.Gas-operated and direct impingement. .30-06 to 7.62 NATO. Public data on cold hamm...
06/15/2026

US PLATFORM ENGINEERING: 1936-PRESENT.
Gas-operated and direct impingement. .30-06 to 7.62 NATO. Public data on cold hammer forged barrels and MIL-STD-1913 rails. 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 pisto...
06/14/2026

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. P...
06/14/2026

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.

PRECISION CHASSIS ENGINEERING: 3 PLATFORM DESIGNS.USA, Russia, China. Bolt-action and gas-operated. Public data on modul...
06/14/2026

PRECISION CHASSIS ENGINEERING: 3 PLATFORM DESIGNS.

USA, Russia, China. Bolt-action and gas-operated. Public data on modular multi-caliber systems and match-grade barrels. For mechanical design education only.

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