7x65R

The 7x64mm and 7x65mmR, both designed by small arms inventor Wilhelm Brenneke. They are nearly identical, but the 7x65R cartridge features a rim in order to be easily used in single shot and combination guns.

The 7x65R, also referred to as the 7x65mm, 7x65 Brenneke or other designations, is a [rimmed] centerfire cartridge developed by German small arms inventor Wilhelm Brenneke in 1917(?). It is nearly identical to the 7x64mm Brenneke, but features a rim in order to be used in single shot or combination firearms. The cartridge holds a 7mm (.284 caliber) bullet and utilizes a large rifle primer such as Federal #210 primers.

It was designed and is suitable for medium to large game from boar, to perhaps even bear and moose hunting, as advertised by a number of manufacturers who still offer this cartridge.

Ballistic Performance

Manufacturer	Bullet Weight / Type	Velocity	Muzzle Energy
Norma "Vulkan"	170 gr (SP)	2,657 fps	2,666 ft lbs
Sellier & Bellot	173 gr (SP)	2,608 fps	2,613 ft lbs
Sellier & Bellot	140 gr (FMJ)	2,850 fps	2,550 ft lbs
RWS "Evolution"	159 gr	2,657 fps	2,492 ft lbs