Weatherby's rebated precision rifle magnum. More case capacity than 6.5 Creedmoor, less than 6.5 PRC — the middle ground.
Type: Rifle
Introduced: 2021, United States
Parent case: None
Standardization: SAAMI
Bullet diameter: 0.264" (6.71 mm)
Case length: 2.06" (52.32 mm)
Overall length: 2.8" (71.12 mm)
Max pressure: 62,000 PSI
Rim type: Rebated
Primer: Large Rifle Magnum
Typical twist rate: 1:8
Muzzle velocity: 2800–3050 fps
Muzzle energy: 2200–2690 ft-lbs
Effective range: 800 yd
Common bullet weights: 127, 130, 140 gr
Primary use: Hunting, Long Range
Production status: Active
Also known as: 6.5 RPM
History: Introduced by Weatherby in 2021 as the cartridge for their new Weatherby 307 rifle. Uses a rebated rim for standard bolt face. Positioned between 6.5 Creedmoor and 6.5 PRC in the market.
Notable firearms: Weatherby 307
Similar cartridges: 6.5mm Creedmoor, 6.5 PRC, 6.5x47mm Lapua