Lehigh Defense 194 GR. Maximum Expansion Sub-Sonic Bullet in Gel

This video provides an expert-level analysis of Lehigh Defense .300 Blackout ammunition for self-defense, featuring Iraqveteran8888 and Military Arms Channel. The testing meticulously simulates home defense scenarios, evaluating projectile performance through common household barriers and into ballistics gel. The instructors, with high authority and extensive testing experience, demonstrate the distinct terminal ballistics of the 78gr Close Quarters, 110gr Controlled Chaos, and 194gr Maximum Expansion rounds, offering data-driven insights for choosing the appropriate self-defense load.

This video details a ballistic gel test of Underwood 70-grain all-copper hollow-point 9mm ammunition, comparing performance from a micro-compact (Taurus GX4) and a full-size (Glock 17) pistol. The test evaluates expansion, penetration, and wound cavity creation with and without denim barriers, highlighting how barrel length and velocity affect terminal ballistics.

This video from The Gun Collective covers Lehigh Defense's innovative ammunition offerings showcased at Shot Show 2020. The presentation highlights their controlled fracturing technology, subsonic 50 BMG rounds, 450 Bushmaster fracturing bullets, and the XD line of extreme defense ammunition in calibers like 9x39mm and 300 Blackout. A key focus is the introduction of more affordable 'Eco' versions of their CNC-machined bullets, making advanced defensive ammunition more accessible.

This guide details the dangers of 'thumbing the hammer down' on a loaded firearm, a technique strongly advised against by experts. It emphasizes that this action, which involves pulling the trigger while manually lowering the hammer, carries a high risk of accidental discharge if the thumb slips. The expert instruction highlights safer alternatives like engaging the manual safety for 'cocked and locked' carry or clearing the chamber entirely.

This guide details the advanced technique of hand stippling a 1911 firearm frame for enhanced grip, as demonstrated by a master gunsmith. It covers the precise application of texture using a punch and hammer, followed by meticulous filing to refine the edges. This process requires significant skill and attention to detail for a professional finish.

This guide details the proper technique for cycling the slide on a semi-automatic pistol, specifically the 1911, as explained by Ken Hackathorn. It emphasizes avoiding "gun abuse" by not slamming the slide on an empty chamber, which can cause premature wear. The explanation includes the mechanical reasons behind this, focusing on how the cartridge rim stabilizes the extractor and cushions the slide's action.

Massad Ayoob, a renowned firearms instructor and legal expert, details the critical post-Defensive Gun Use (DGU) protocol. He emphasizes that the most common mistake is failing to immediately call 911 after a DGU, even if no shots were fired. This action is crucial for establishing oneself as the victim complainant in the ensuing legal aftermath.