14.5mm JDJ

The 14.5mm JDJ is a rifle cartridge created by SSK Industries of Wintersville, Ohio.

14.5mm JDJ
Type	Rifle
Place of origin	United States
Production history
Manufacturer	SSK Industries
Specifications
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)

Overview

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.