This video provides a detailed review of the LMT 14.5" Piston Barrel assembly. The content goes beyond a simple inspection, detailing a six-month evaluation that involved multiple barrels, warranty claims, and issues like chrome flaking. The reviewer performs thorough inspections including throat erosion, headspace gauging, and borescope footage of the chamber and rifling. Shooting data from 30-shot groups with three different ammunition types is presented. The video also covers the manufacturer's warranty experience.
This video evaluates the accuracy and durability of a 16.25" Geissele Cold Hammer Forged (CHF) Barrel. The analysis includes a detailed look at specifications, borescope inspection, throat erosion and gas port measurements. A rigorous accuracy test is conducted using 30-shot groups, chronograph data, and an accelerometer to identify shooter-induced flyers. Results are broken down and compared to other tested barrels, with the introduction of a "Budget Hit Probability Calculator" for practical range estimation. The video aims to provide data-driven insights for those considering a Geissele CHF barrel or interested in in-depth barrel testing.
This video conducts an in-depth evaluation of a JP Enterprises stainless steel AR-15 barrel after enduring 10,000 rounds. The content covers the barrel's history and specifications, assesses throat erosion with a borescope, details the shooting setup for consistent testing, and presents accuracy data from 3x 30-shot groups. The performance is then compared to other tested barrels, offering real-world insights into stainless steel AR-15 barrel longevity and accuracy. The presenter encourages viewer interaction regarding expected accuracy and comparisons to other barrel types.
This video debunks the myth that a worn-out firearm barrel will explode. The hosts explain that bore wear, which increases the barrel's diameter, actually leads to lower pressures. They discuss various ways a barrel can wear, including throat erosion (leade wear) in handguns, general rifling wear from extensive use, improper cleaning, and corrosive ammunition. The rare case of the curved barrel on the German WWII StG 44 'Krummlauf' is mentioned as a potential, though highly unlikely, failure point, but this is distinguished from typical bore wear. The video clarifies that while barrel wear can affect accuracy, it will not cause an explosion. They also provide a tip to avoid overcleaning .22 caliber firearms due to their shallow rifling.
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