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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Is the 6.8SPC here to stay?
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<blockquote data-quote="LouBoyd" data-source="post: 608486" data-attributes="member: 9253"><p>Does it matter if a cartridge is "here to stay" ? And there is the question "stay how long"? </p><p></p><p>When I started shooting the US standard cartridges were the 30-06 and the 30 Carbine. The standard pistol cartridge was the 45 ACP and it was used in sub-machine guns. The 50 BMG was well established but it had not become a sniping cartridge and was only shot in Browning machine guns. There were quite a few popular hunting cartridges like the 220 Swift, some belted magnums (264 and 338 win) but they were of little interest to the military. </p><p>I was in the US Army when the 308 Win (M14) and AR-15 /M16 were introduced and got "familiarization" training on them but most trained on the 30-06 M1 Garand. As a Signal Corps officer I was never in combat. </p><p></p><p>When is a cartridge obsolete? </p><p>I can still buy brass for my 50-70 Remington rolling block and loaded ammo for my 45-70 rifles. Those cartridges were introduced in the 1860/70's. Are those "here to stay"?</p><p></p><p>A lot of cartridges have been experimented with and even standardized over the the years by the US Military. Some became obsolete like the 30-40 Krag which was replaced by the 30-06. Some had good ballistics but just never caught on like the 256 Pederson. ( the M1 Garand was selected instead) The M1 Carbine was used extensively in WWII, but was abandoned rapidly with the introduction of the 5.56-45 NATO cartridge which was lighter and had much better range and penetration. </p><p></p><p>Current standard military rifle cartridges are the 7.62x51 NATO (308 WIn), 5.56x45 (223 Rem), and the 12.7x99 (50 BMG). Many others have seen service in various quantities. The 300 Win Mag and 338 Lapua are currently in service for sniping but not standardized. The 5.7x28 FN, 6.8 SPC, 6.5 Grendel, 458 SOCOM, 50 Beowulf and several others have been experimented with but none seem to be taken very seriously by the military. New cartridges showing some interest appear to be the 6.5x47 Lapua and 338 Norma Mag, but I doubt either will be standardized.</p><p></p><p>Who knows what will happen in the future. Some new technology could make all firearms obsolete. Perhaps a kiloJoule pulse laser with adaptive optics in a < 5 lb package. No elevation, no windage, no target lead, no spin drift, no air density, no Coriolis, and egligible recoil. Just point and shoot. </p><p></p><p>So are you considering a 6.8 SPC or Grendel? What's your concern? Whether it's adopted by the militay or not doesn't change it's ballistics. I have several relatively uncommon rifles such as 256 TCU, 7mm BR, and 300 OSSM (plus 6.8 SPC and 6.5 Grendel) I have dies for each and a couple of hundred rounds of brass for each. That will last my lifetime. Beyond that I don't really care.</p></blockquote><p></p>
[QUOTE="LouBoyd, post: 608486, member: 9253"] Does it matter if a cartridge is "here to stay" ? And there is the question "stay how long"? When I started shooting the US standard cartridges were the 30-06 and the 30 Carbine. The standard pistol cartridge was the 45 ACP and it was used in sub-machine guns. The 50 BMG was well established but it had not become a sniping cartridge and was only shot in Browning machine guns. There were quite a few popular hunting cartridges like the 220 Swift, some belted magnums (264 and 338 win) but they were of little interest to the military. I was in the US Army when the 308 Win (M14) and AR-15 /M16 were introduced and got "familiarization" training on them but most trained on the 30-06 M1 Garand. As a Signal Corps officer I was never in combat. When is a cartridge obsolete? I can still buy brass for my 50-70 Remington rolling block and loaded ammo for my 45-70 rifles. Those cartridges were introduced in the 1860/70's. Are those "here to stay"? A lot of cartridges have been experimented with and even standardized over the the years by the US Military. Some became obsolete like the 30-40 Krag which was replaced by the 30-06. Some had good ballistics but just never caught on like the 256 Pederson. ( the M1 Garand was selected instead) The M1 Carbine was used extensively in WWII, but was abandoned rapidly with the introduction of the 5.56-45 NATO cartridge which was lighter and had much better range and penetration. Current standard military rifle cartridges are the 7.62x51 NATO (308 WIn), 5.56x45 (223 Rem), and the 12.7x99 (50 BMG). Many others have seen service in various quantities. The 300 Win Mag and 338 Lapua are currently in service for sniping but not standardized. The 5.7x28 FN, 6.8 SPC, 6.5 Grendel, 458 SOCOM, 50 Beowulf and several others have been experimented with but none seem to be taken very seriously by the military. New cartridges showing some interest appear to be the 6.5x47 Lapua and 338 Norma Mag, but I doubt either will be standardized. Who knows what will happen in the future. Some new technology could make all firearms obsolete. Perhaps a kiloJoule pulse laser with adaptive optics in a < 5 lb package. No elevation, no windage, no target lead, no spin drift, no air density, no Coriolis, and egligible recoil. Just point and shoot. So are you considering a 6.8 SPC or Grendel? What's your concern? Whether it's adopted by the militay or not doesn't change it's ballistics. I have several relatively uncommon rifles such as 256 TCU, 7mm BR, and 300 OSSM (plus 6.8 SPC and 6.5 Grendel) I have dies for each and a couple of hundred rounds of brass for each. That will last my lifetime. Beyond that I don't really care. [/QUOTE]
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AR15/10 Rifles
Is the 6.8SPC here to stay?
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