Shooting the EM-2 (New Video)
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That would have been a great cartridge with some joint engineering, research, test, development, and evaluation of it.
Would have been exceptional in a downsized AR10 and FAL, as well as HK's G3. The .280 British is about the maximum cartridge profile I would want to see for even a DMR duty position, as well as a Squad Light Machinegun/Auto Rifleman position. Once you step up to 7.62 NATO, you really handicap your soldier's load, endurance, and hit probability.
NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
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Originally posted by LRRPF52 View PostThat would have been a great cartridge with some joint engineering, research, test, development, and evaluation of it.
Would have been exceptional in a downsized AR10 and FAL, as well as HK's G3. The .280 British is about the maximum cartridge profile I would want to see for even a DMR duty position, as well as a Squad Light Machinegun/Auto Rifleman position. Once you step up to 7.62 NATO, you really handicap your soldier's load, endurance, and hit probability.
And I don't see it being exceptional in the AR10 or FAL. First, those rifles could not have been significantly downsized, because there is negligible difference in the OAL of the two rounds, and both have the same case diameter. That means magazine sizes and weights are nearly identical, and both were of 20-rd capacity. As a result, basic ammo load would've been the same as for 7.62 NATO (100 rds), with the same handicap on combat endurance.
Second, the FAL actually was made in .280 British, but was almost as long as the 7.62 version, and only a few ounces lighter.
.280 FAL
7.62 FAL
So, adopting .280 British would've been of little benefit to the infantry rifleman, and -- since it had mostly the same drawbacks as 7.62 NATO -- would surely have been succeeded by 5.56mm, too.
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The .280 British is about the maximum cartridge profile I would want to see for even a DMR duty position, as well as a Squad Light Machinegun/Auto Rifleman position.
Ian indicates that the recoil impulse with .280 British in the EM-2 is more manageable than the 7.62 NATO, which can be calculated and compared looking at projectile weights, rifle weight, and chamber pressure.NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
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Lots of info on the .280 Brit compared to 7.65x51 and other intermediate rounds at http://www.thefirearmblog.com/blog/2...ended-edition/Last edited by Essayons; 07-27-2017, 07:57 PM.
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NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
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They would have smoked the 7.62 NATO with a boat tail design when looking at downrange performance.
Maybe the S-12 nosed over better after passing the maximum ordinate.NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
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We have tried to find a modern alternative to the S-12. With no luck. We have settled on 130SMKs as the base for our tests and 120g Barnes for a stalking load. We have bettered the velocity of the 24inch with our 20inch barrels.Last edited by Buck2732; 08-06-2017, 03:45 PM.Buck2732
"You will know you are in a nuclear attack by the bright flash, loud explosion, widespread destruction, intense heat, strong winds and the rising of a mushroom cloud".
"I have no idea what weapons will be used in the next world war... but I do know that world war 4 will be fought with sticks and stones". A Einstein.
PER ARDUA
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Last edited by Buck2732; 09-04-2017, 02:55 PM.Buck2732
"You will know you are in a nuclear attack by the bright flash, loud explosion, widespread destruction, intense heat, strong winds and the rising of a mushroom cloud".
"I have no idea what weapons will be used in the next world war... but I do know that world war 4 will be fought with sticks and stones". A Einstein.
PER ARDUA
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