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Depending on their case material and bullet weight, 6.5mm Grendel cartridges weigh 14.7 to 17.8 grams (227 to 275 gr). The case head diameter of the Grendel is the same as that of the 5.6×39mm (.220 Russian), 7.62×39mm and 6.5mm PPC cases. This diameter is larger than the 5.56×45mm NATO, thereby necessitating the use of a non-standard AR-15 ...
The 6mm Creedmoor is a necked-down version of the 6.5mm Creedmoor using 6 mm (.243 inch) bullets, lighter than 6.5 mm bullets with similarly reduced recoil. [30] John Snow at Outdoor Life built a 6mm Creedmoor rifle in 2009 for a magazine article of the wildcat cartridge that appeared in 2010, but the first documented conception of the 6mm ...
The 6.5mm Remington Magnum is based on the .350 Remington Magnum necked down to accept a .264 caliber (6.71 mm) bullet. It was one of the original short, fat magnum cartridges to be put into production. The short, fat cartridge design is known to promote efficient powder burning characteristics. The SAAMI recommends a 6 groove barrel with a 1:9 ...
The 160 gr (10 g) bullet which has a sectional density of 0.328 is similar in sectional density to a 220 gr (14 g) .308 caliber (7.62 mm) bullet. As sectional density plays a large factor in penetration, the .264 caliber (6.5 mm), though a diminutive caliber from a North American point of view, has had excellent results in the field.
6.5mm Grendel (6.5×39mm), cartridge designed for the AR-15; 6.5mm Creedmoor, centerfire rifle cartridge; 6.5mm Remington Magnum, belted bottlenecked cartridge; 6.5×42mm, also known as 6.5 MPC (Multi Purpose Cartridge), centerfire rifle cartridge
The 6.5×52mm Carcano, also known as the 6.5×52mm Parravicini–Carcano or 6.5×52mm Mannlicher–Carcano, is an Italian military 6.5 mm (.268 cal, actually 0.2675 inches) rimless bottle-necked rifle cartridge, developed from 1889 to 1891 and used in the Carcano 1891 rifle and many of its successors. A common synonym in American gun literature ...
Bullet diameter.264 in (6.7 mm) Shoulder diameter.4949 in (12.57 mm) Base diameter ... it has a large-for-caliber case capacity, resulting in high velocities. When ...
Thanks in part to its relatively roomy case which was designed for loading long, heavy 6.71 mm (0.264 in) bullets, and a 12.2 mm (0.480 in) diameter bolt face, it has proven more successful than other first-generation smokeless-powder military cartridges of similar bullet calibers, such as the 6×60mm US Navy, 6.5×54mm Mannlicher–Schönauer ...