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8.6mm Blackout (8.6×43 mm), sometimes referred to as 8.6 BLK, [1] is a centerfire rifle cartridge developed by the firearms manufacturer Q, LLC. [6] It utilizes a shortened case from the 6.5mm Creedmoor necked up to an 8.6 mm caliber (8.585 mm or 0.338 in diameter) projectile. 8.6 Blackout is designed for use in bolt-action rifles or as a caliber conversion for AR-10 style rifles.
8.763 (.345) 8.509 (.335) 32.77 (1.29) 8mm Gasser: 8.11 (.319) 27 (1.063) 9.68 (.381) 8.6 (.339) 8.56 (.337) 36 (1.417) 8mm French Ordnance 8mm Lebel Revolver 8×27mmR Règlementaire Mle 92 [1] 8.204 (.323) 27.18 (1.07) 10.16 (.400) 9.753 (.384) 8.89 (.35) 36.58 (1.44) 7.5mm Swedish Nagant: 8.255 (.325) 22.61 (.890) 10.31 (.406) 8.890 (.350) 8. ...
The 8mm Bergman-Simplex cartridge, also known as 8mm Bergmann Nº 6 and 8x18mm Simplex, [1] is a centerfire smokeless-powder rimless straight sided cartridge developed by Theodor Bergmann for his Simplex pistols. Original loadings of this cartridge fired a 71 grain bullet at 790 feet per second.
The M 98 bolt actions and magazine boxes of standard military Mauser 98 rifles have to be adapted by a competent gunsmith to function properly with 8×68mm S cartridges, since the M98 internal magazine boxes feature an internal magazine length of 84 mm (3.31 in) and 8×68mm S cartridge cases have a significantly larger diameter than 8×57mm IS ...
From 8 mm caliber upwards the rise of sectional density and penetrating capability of practical spin-stabilized rifle bullets (bullets up to 5 to 5.5 calibers in length) tends to flatten out. [7] This means that, loaded with light, short and soft-nosed 8 mm bullets, the 8mm Remington Magnum can be used on remarkably small game.
The 6.8mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit and United States Special Operations Command [6] to possibly replace the 5.56 NATO cartridge in short barreled rifles (SBR) and carbines.
The groove diameter was decreased from 6.01–6.07 mm (0.237–0.239 in) to 5.98–6.02 mm (0.235–0.237 in). In addition, the twist rate in the revised 95-1 assault rifle was reduced from 240–210 mm (9.4–8.3 in).These changes reduced the rifling twist rate from 41.2 to 36 calibers.
The Sigma 8mm f/4 EX DG is a photographic lens made by the Sigma Corporation. It is a circular fisheye lens for full-frame cameras, and has been replaced by the Sigma 8mm f / 3.5 EX DG . External links