but with a large rifle primer. Another version that has been popular is a necked-down version with a 40-degree shoulder. PTG sells reamers for this and it has demonstrated a gain of about 100 fps over the standard 6-6.5×47. See also List of firearms List of rifle cartridges 6 mm caliber .243 Winchester 6.5×54mm Mannlicher–Schönauer - a cartridge that saw military service with the Greek Army from 1903-1949, which fires the same diameter and weight 9.0g bullet as the 6.5×47mm Lapua but achieves a lower muzzle velocity 6.5×52mm Carcano Notes External links 6.5x47 Cartridge Guide, cartridge specs, load data, reloading tips, and more Zak Smith, 6.5mm Shootout: .260 Remington vs. 6.5x47 Lapua vs. 6.5 Creedmoor First Born: Darrell's 6.5x47mm Lapua Zak Smith, 6.5x47 Lapua Tactical TackDriver (6mmBR.com Gun Of The Week) Nielson's 6.5×47 Nationals Winner, 6.5x47 Lapua Competition winner (Accurateshooter.com Gun of the Week) Beginski's new 6mm-6.5×47 Lapua, 6-6.5x47mm Lapua 3-Way Velocity Challenge: 6BR vs. 6BRX vs. 6-6.5x47 Lapua 7mm Wildcat based on 6.5×47 Lapua Case, 7mm version of the 6.5x47 Lapua (Accurateshooter.com Bulletin) Pistol and rifle cartridges Nammo Lapua cartridges