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The Barrett M468 was a variant of the M4 Carbine, rechambered for a heavier and larger 6.8mm bullet for increased terminal performance. The designation of M468 stands for an M4 carbine chambered for the 6.8mm SPC cartridge.
Barrett M468 – amerykański karabin samopowtarzalny. Jest to połączenie popularnej komory spustowej karabinu AR-15 z nową komorą zamkową. Karabin zasilany jest nabojem 6,8 mm Remington SPC.
25 lut 2024 · The Barrett M468 is a modification or upgrade from the popular M4 Carbine but rechambered to accommodate a heavier 6.8mm bullet for enhanced ultimate performance. The name M468 is derived from the M4 carbine, and the 68 stands for the 6.8mm SPC (Special Purpose Cartridge).
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The 6.8mm Remington SPC was designed to perform better in short-barreled CQB rifles after diminished performance from the 5.56 NATO when the M16A4 was changed from the rifle configuration to the current M4 carbine. The 6.8 SPC delivers 44% more energy than the 5.56mm NATO (M4 configuration) at 100–300 m (330–980 ft).
26 gru 2021 · The Remington 6.8x43 mm SPC cartridge chambered in the Barrett M468 carbine gets more punch out of the M4 and M16 platforms than the 5.56x45 mm. Elements within the U.S. Special Forces...
31 sty 2006 · These shortcomings have inspired a new cartridge, the Remington 6.8 Special Purpose Cartridge (SPC) that boasts 30 percent more energy yet still fits within the AR-15/M-16/M-4 weapons envelope. Barrett Manufacturing has just introduced its M468 carbine.
