may reach dangerous pressures in another. Standardizing the cartridge addressed the issues owners experienced when it was a wildcat. .264 (6.5 mm) caliber has historically been commercially unsuccessful in North America but has been one of the mainstays in Europe especially in the Scandinavian countries. The 6.5×54mm Mannlicher–Schönauer, 6.5×55mm, 6.5×57 Mauser, and 6.5-284 Norma have loyal followings in Europe. Starting with the .264 Winchester Magnum and later the 6.5mm Remington Magnum, North American cartridges in this caliber have been largely failures. The .260 Remington appeared to be following this North American trend, with Remington only producing the Model Seven Synthetic in the .260 Remington for 2011 as it has discontinued such rifles as the Model 700 CDL and the Model Seven (including the youth model) in .260. However, Remington continues to manufacture several types of .260 Remington loads. The use of the .260 Remington by Sgt Sherri Gallagher to win the 2010 NRA High Power National Championship has sparked a resurgence in the round, and Lapua announced at the 2011 SHOT show that it would be manufacturing .260 Remington brass. Design and specifications The .260 Remington uses the .308 Winchester case as its parent cartridge which is simply necked down to accept a .264 caliber bullet with no further changes made to the case. As the cartridge follows a modern design, it has little taper which allowed its parent cartridge to feed reliably through auto-loading rifles such as the M14, FN FAL and the H&K G3. The .260 Remington has a case capacity of about 3.47 ml (53.5 grains) H2O. Both SAAMI and C.I.P. have provided design specifications for the .260 Remington cartridge. While there are minor dimensional differences between dimensions provided by both organizations, these dimensional differences mostly fall within the tolerances allowed by the other organization, though C.I.P. lists the .260 as a Delta L problem cartridge. SAAMI dimensions for the cartridge were issued on January 29, 1999, when the Remington's submission was accepted. SAAMI specifications .260 Remington SAAMI compliant schematic. All dimensions in inches [millimeters]. SAAMI recommends a barrel with a 6 groove contour and a twist rate of one revolution every with each groove having a width of . The recommended bore diameter is and the groove diameter is . SAAMI recommends that rifling commence at from the chamber mouth. SAAMI also recommends a pressure of C.I.P. specifications .260 Remington maximum C.I.P. cartridge dimensions. All sizes