14.5mm JDJ

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14.5mm JDJ
Place of originUnited States
Production history
ManufacturerSSK Industries
Parent case.50 BMG
Bullet diameter.585 in (14.9 mm)
Ballistic performance
Bullet mass/type Velocity Energy
1,173 gr (76 g) 2,700 ft/s (820 m/s) 18,992 ft⋅lbf (25,750 J)

The 14.5mm JDJ was created by SSK Industries of Wintersville, Ohio.[1]


It uses the .50 BMG case with the neck opened up to accept a .585 in (14.9 mm) bullet. It fires the 1,173-grain (76.0 g) bullet at 2,700 ft/s (820 m/s) with the fire-formed load. The Barnes 750-grain (49 g) bullet can also be loaded to 3,000 ft/s (910 m/s). It has a destructive device exemption. Only rifles chambered for the .50 BMG can be converted to this caliber.


  1. ^ "14.5mm JDJ". SSK Industries. Archived from the original on 7 September 2010. Retrieved 4 September 2010.