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Source(s): Alexander Arms Pressure-safe Load Data The 6.5mm Grendel is an intermediate cartridge jointly designed by British-American armorer Bill Alexander, competitive shooter Arne Brennan (of Houston , Texas ) and Lapua ballistician Janne Pohjoispää, as a low- recoil , high- precision rifle cartridge specifically for the AR-15 platform at ...
Similar, but not interchangeable with .223 Rem. 5.6mm Gw Pat 90: 1987 Switzerland R 5.56×45mm 3168 1243 0.622 28.5 0.224 45mm Swiss military version of the 5.56×45mm NATO / 223 Remington. For SIG SG 550 and variants. 5.7×28mm: 1990 Belgium 1 [7] R 5.7×28mm 2800 400 [8] 0.286 13 0.224 28mm Bottlenecked high velocity PDW cartridge designed by ...
6,5 G.A.P. 4S [16] 6.71 (.264) 51.18 (2.015) 13.56 (.534) 14.00 (.551) 13.58 (.535) 7.42 (.292) 76.30 (3.004) 6.5 Weatherby Rebated Precision Magnum [17] 6.71 (.2640) 65.3 (2.570) 12.0 (.473) 12.70 (.5000) 12.04 (.4739) 7.49 (.2950) 84.8 (3.340) 6.5 Precision Rifle Cartridge [18] 6.716 (.2644) 51.56 (2.030) 13.51 (.532) 13.513 (.5320) 13.101 ...
.223 Remington.223 Winchester Super Short Magnum.224 Voboril.224 Boz.224 Weatherby Magnum.224 Valkyrie.225 Winchester.297/230 Morris.240 Apex.240 Weatherby Magnum.242 Rimless Nitro Express.243 Winchester.243 Winchester Super Short Magnum.244 H&H Magnum.244 Remington.246 Purdey.303/25.25 Remington.25-45 Sharps.25-21 Stevens.25-25 Stevens
Alexander Arms had published some VERY hot (estimated in the low-mid 60,000 PSI) loads and subsequently had issues with broken bolt lugs. They have pulled their old load data and released a newer, much lower velocity set of data that is still hot, but is closer in line with pressure data from Hornady, Nosler, Hodgdon, and others.
The 6.5-284 has been used extensively in benchrest competitions and is known as an extremely accurate long range round. Using an improved version of the 6.5-284, Rich DeSimone set a 1,000-yard (914.4 m) world record with a 1.564-inch (39.73 mm) group. [4]
[6] [5] Soviet 5.6×39mm cartridges were loaded with smokeless powder VT (винтовочный пироксилиновый порох ВТ), as well as Soviet 7.62×54mmR and 9×53mmR hunting cartridges. [7] It is the parent case for the .22 PPC, 6mm PPC, and the 6.5mm Grendel cartridges. [6]
In general, loads close to 100% density (or even loads where seating the bullet in the case compresses the powder) ignite and burn more consistently than lower-density loads. In cartridges surviving from the black-powder era (examples being .45 Colt , .45-70 Government ), the case is much larger than is needed to hold the maximum charge of high ...