The R4 (also known as Revolution for DS) is an unlicensed flash cartridge for the Nintendo DS handheld system. It allows ROMs and homebrew to be booted...

developed by Senile Team R4 cartridge, a Nintendo DS flash cartridge BBC Radio 4 the premier BBC speech radio station R4, a building in the Norwegian...

outlawed in the United Kingdom. In Australia, the R4 cartridge has faced legal troubles. A distributor of the R4 was fined over $600 thousand AUD, and was ordered...

7-inch R4-C, 11.5-inch R4-E, 14.5-inch R4 and 20-inch R4-M. In 2018, the platform changed to three variants: the R4 Patrol, R4 Operator, and R4 Enhanced...

charged. The R4 is fed from a steel or synthetic box magazine with a 35-round cartridge capacity (designed to use the 5.56×45mm NATO cartridge with the M193...

Rem. by the C.I.P.) is a rimless, bottlenecked, centerfire intermediate cartridge. It was developed in 1957 by Remington Arms and Fairchild Industries for...

SAAMI-standardized straight-walled intermediate rifle cartridge developed by Remington Arms Company. The cartridge was designed for use in American states that...

it is known in unofficial metric designation), is a rimmed, large-bore cartridge originally designed for revolvers and quickly adopted for carbines and...

The 7mm Remington Magnum rifle cartridge was introduced as a commercially available round in 1962, along with the new Remington Model 700 bolt-action...

African National Defence Force's Vektor R4, though Denel Land Systems has since shifted focus to offering an upgraded R4 rifle to the SANDF instead. 200 CR-21s...