"Fat Mac" - SSK Industries' .950 JDJ Rifle

Published on November 17, 2017
Duration: 8:04

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.

Quick Summary

The SSK Industries Fat Mac is the world's largest sporting rifle, chambered in the .950 JDJ caliber. It fires a 2600-grain bullet at 2200 fps, generating immense energy. J.D. Jones secured an ATF sporting purpose exemption, allowing it to transfer as a standard rifle despite its caliber.

Chapters

  1. 00:00Introduction to the Fat Mac .950 JDJ
  2. 00:45.950 JDJ Cartridge Development & Specs
  3. 01:30Legal Status & ATF Exemption
  4. 02:00Rifle Weight & Muzzle Brake Analysis
  5. 02:48Action & Loading Procedure
  6. 04:18Safety & Mechanical Operation
  7. 06:05Stock & Recoil Management

Frequently Asked Questions

What makes the .950 JDJ cartridge unique?

The .950 JDJ cartridge is unique as it's the largest sporting purpose cartridge available. It's developed using a 20mm Vulcan brass case cut down and necked up, firing a 2600-grain bullet at 2200 fps.

How is the Fat Mac rifle legally classified?

Despite being over .50 caliber, the Fat Mac .950 JDJ legally transfers as a standard rifle. This is due to J.D. Jones obtaining a specific sporting purposes exemption from the ATF for this caliber.

What is the approximate weight of the Fat Mac rifle and its muzzle brake?

The Fat Mac rifle weighs over 60 pounds. A significant portion of this weight comes from its massive muzzle brake, which alone weighs approximately 18 pounds, essential for recoil management.

What is the loading procedure for the Fat Mac rifle?

The Fat Mac is a single-shot bolt-action rifle. To load it, the bolt must be completely removed from the receiver, the cartridge inserted into the bolt face, and then the entire assembly is reinserted.

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