.30 Remington AR

.30 RAR (.30 Remington AR)

Photo coming soon: side view on a transparent background, with author and license.

Key specs

Type: Rifle
Origin: United States
Introduced: 2008
Case type: rimless, bottleneck
Bullet diameter: 7.82 mm
Case length: 38.86 mm
Overall length: 57.40 mm
Typical bullet: 125 gr
Typical velocity: 853 m/s
Typical energy: 2,950 J
Parent case: .284 Winchester

Sources

Wikipedia: .30 Remington AR, Wikipedia
Wikipedia: Table of handgun and rifle cartridges, Wikipedia