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This gel block test compares the terminal ballistics of 5.56x45mm NATO M855 Green Tip and 7.62x39mm Tula ammunition. The 5.56mm round demonstrated significant expansion and tumbling, while the 7.62x39mm round showed similar width expansion but greater length and penetration. The test highlights the distinct terminal effects of these common rifle calibers.

This video tests the penetration capabilities of various calibers against a boulder, culminating with the .50 BMG. While smaller calibers like .22 LR, 9mm, and .45 ACP caused minimal damage, larger rounds like 5.56mm and 12 gauge slugs began to chip the rock. The .308 and initial .50 BMG shots caused significant fragmentation but did not penetrate. A second .50 BMG shot successfully penetrated the boulder.

This guide details a comparative performance drill for the Sig Sauer MCX Rattler LT across three calibers: 5.56 NATO, 7.62x39mm, and .300 Blackout. Conducted at Take Aim Training Range by Classic Firearms experts, the drill involves speed and accuracy tests, including a 5-round transition drill at 15 yards. The 5.56 variant demonstrated the least recoil and fastest return to zero, while all calibers showed distinct terminal ballistics in ballistic gel tests.

This video provides expert advice on stockpiling essential ammunition calibers in anticipation of potential shortages, referencing historical patterns and supply chain vulnerabilities. Ted from Line45 emphasizes the importance of maintaining a buffer of training and defensive ammunition for key calibers like .22 LR, 9mm, .223/5.56, 12-gauge slugs/buckshot, 7.62x39mm, and .308/7.62 NATO. He advises prioritizing calibers based on common use, defensive applications, and vulnerability to market fluctuations.

Ted from Line45 advises stockpiling specific ammunition calibers before anticipated shortages in 2026. He details why .22 LR, 9mm Luger, .223/5.56 NATO, 12-gauge slugs and buckshot, 7.62x39mm, and .308/7.62 NATO are critical, citing historical patterns, production limitations, and demand pressures from various user groups. The guide emphasizes maintaining separate stashes for training and defensive use across all firearm types.

This video details a chaotic day at the gun range involving a foregrip failure, a range officer intervention due to firearm configuration, and a ricochet incident where a shooter was hit in the leg. It emphasizes the critical importance of strict adherence to range safety rules, preparedness for medical emergencies with tactical first-aid, and understanding firearm limitations and potential hazards like ricochets. The narrative highlights how quickly situations can escalate, leading to law enforcement involvement and the temporary closure of range facilities.

This video explores the compatibility of a 50 BMG cartridge with a 12 gauge flare gun. The experiment reveals that while the cartridge fits, the flare gun's mechanism cannot ignite the tough 50 BMG primers. However, it successfully fires a standard 12 gauge blank, highlighting the difference in primer hardness. The content is presented from a hobbyist perspective, focusing on experimental curiosity rather than professional instruction.

This video from Tática Civil, featuring an expert instructor, explains the dangers of firing upwards due to projectile drop and terminal velocity. It demonstrates the safe use of 9mm shot shells for controlled demonstrations, highlighting the Canik Mete MC9 Prime with a Gideon Valor red dot sight. The instructor emphasizes crucial firearm safety protocols.

This guide details an experimental test to debunk the myth that a .50 BMG round passing near a target can be lethal. Using a ballistic mannequin, cardboard indicators, and a concrete backstop, the test demonstrates that a near miss from a .50 BMG round does not impart enough shockwave or air pressure to cause fatal injury, though the projectile itself possesses immense kinetic energy as evidenced by its impact on the concrete block. The test was conducted objectively by an individual with high authority, indicated by their empirical testing methods and proper safety protocols.

This video demonstrates a dramatic comparison between the .22 LR and .50 BMG calibers using a ballistic head model. The .50 BMG, when attached to an AR-15 platform via a Raptor upper, shows vastly superior destructive power, completely obliterating the model, while the .22 LR causes only superficial damage. The host's enthusiastic and experimental approach, combined with clear technical explanations, highlights the significant energy difference between these two rounds.