The .950 JDJ rifle, nicknamed 'Fat Mac', is a custom build by SSK Industries featuring the largest sporting purpose cartridge. Its 24.1mm cartridge, derived from a 20mm Vulcan case, fires a 2600-grain bullet at 2200 fps. Despite its caliber exceeding the .50 BMG limit for typical registration, it received an ATF sporting purpose exemption. The rifle's massive muzzle brake is highly effective, capable of generating significant muzzle blast.
The 'Fat Mac' by SSK Industries, chambered in the massive .950 JDJ, is the world's largest sporting rifle. Developed by J.D. Jones, it utilizes a modified 20mm Vulcan case and fires a 2600-grain bullet at 2200 fps, generating immense energy. Despite its caliber, it legally transfers as a rifle due to an ATF sporting purposes exemption. The rifle's design, including its 60+ pound weight and substantial muzzle brake, is engineered to manage extreme recoil.
This video demonstrates the firing of the .950 JDJ, the largest sporting rifle ever made, by Ian McCollum of Forgotten Weapons. The demonstration highlights the rifle's immense power, significant muzzle blast, and manageable recoil, attributed to its large muzzle brake. Expert insights compare its felt recoil favorably to a 4-bore rifle, showcasing the engineering by SSK Industries.
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