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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.
"During SPC development different bullet diameters of 6 mm, 6.5 mm, 6.8mm, 7 mm, and 7.62 mm were tested, using multiple bullet types, shapes, and weights from 90 to 140 gr--the 6.8 mm was selected because it offered the BEST combination of combat accuracy, reliability, and terminal performance for 0-500 yard engagements in an M4 size package."
Wilson Combat is a custom pistol manufacturer located in Berryville, Arkansas, that specializes in customizing and manufacturing M1911A1s. [1] First started under the name "Wilson's Gun Shop" in 1977, Bill Wilson started his new gunsmith business in the back of the family jewelry store, "Wilson's Jewelry", on the corner of Berryville's public square.
A new barrel is the minimum required component to convert a standard AR-15 to .277 Wolverine. In order to load heavier (therefore longer) bullets to magazine length without the problems of seating the bullet's ogive into the case mouth, the Wolverine case is shortened to approximately 39 mm from its 45 mm parent brass.
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.
Business leaders warn of risks from inflationary tariffs and potential budget cuts at Goldman Sachs' Industrial and Materials conference.
The REC7 outfitted in a shortened barrel PDW configuration was one of the weapons displayed to U.S. Army officials during an invitation-only Industry Day on November 13, 2008. The goal of the Industry Day was to review current carbine technology prior to writing formal requirements for a future replacement for the M4 carbine. The Barrett ...
On the other hand, a .223 Wylde chamber is used on .223 Rem rifle barrels to allow them to safely fire either .223 Remington or 5.56×45mm NATO ammunition. [6].223 Winchester Super Short Magnum [6].224 Kritzeck (wildcat of a .223 Remington with shortened neck) [7].224 Valkyrie