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Reloading dies and tools are available from Hornady, Lee Precision, Sheridan Engineering, CH4D, and Little Crow Gun Works. [1] The fire-formed .277 Wolverine case holds approximately 27.5-27.8 gr of water, compared to 28.5-28.8 gr for the parent case.
The .300 AAC Blackout is a SAAMI-standardized .300-221. Hornady states that any rifle chambered for the 300 AAC Blackout can shoot their .300 Whisper ammunition, which is made within .300 AAC Blackout specs. The reloading dies for these two cartridges are often the same. [7]
Bill Wylde of Greenup, Illinois, compared the two cartridges and changed the chamber of the rifle's barrel to a specification he called the .223 Wylde chamber. The chamber is made with the external dimensions and leade angle found in the military 5.56×45mm NATO cartridge and the 0.2240 in (5.69 mm) freebore diameter found in the civilian SAAMI.
The 6.5 Grendel bullets have a true diameter of 6.71mm / 0.264" and the 6.5 Grendel case can be formed from abundant 7.62x39 cases with a neck re-sizing die, and fire-forming a slight change to the shoulder, if the case is made from brass. Many of the popular 7.62x39 cases are made from steel, which will not work for reforming the shoulder.
In 1968 Günter Frères developed the parent case, the rimmed 5.6×50mmR Magnum (designated 5,6 x 50 R Mag. by the C.I.P. According to the official C.I.P ruling, the rimless 5.6×50mm Magnum can handle up to 380.00 MPa (55,114 psi) P max piezo pressure, which is 40.00 MPa (5,802 psi) more than the rimmed parent case developed four years prior.
Cold forming. The parent case is well lubricated and forced carefully into the reloading die for the wildcat caliber. This will swage the case into a new shape. This type of operation is used for reducing case dimensions, such as changing the neck diameter or pushing the shoulder back. Fire forming. This consists of taking the parent case, or a ...
The "L" prefix to the metric caliber means "long" (i.e., L 5,56 or L 7,62×54mm). U Viromet S.A. (1936–1942; 1949–1991; 1991–present) – Victoria, Romania . A factory initially conceived by the Romanian military to make locally produced smokeless propellants.
RCBS reloading dies are also currently available for the cartridge. When firing a 9.7 g (150 gr) AccuBond Long Range bullet from a rifle with a 660 mm (26 in) barrel, the .27 Nosler has an approximately 120 m/s (400 ft/s) advantage over the .270 Winchester , about a 90 m/s (300 ft/s) advantage over the .270 WSM , and about a 30–46 m/s (100 ...