However, despite the improvements criticism continues to be levied today on modern battlefields. M855 “Green Tip” ammunition had a 7gr mild steel tip sitting on a lead core designed more to penetrate brush than it was to defeat armor serious armor. In addition to bullet weight changes, the rifling twist rate was changed from 1:12 to 1:10 and eventually 1:7. That was the theory, but in practice, it was less than convincing and it did not take long for soldiers to complain that it was taking multiple hits to enemy combatants in order to incapacitate them Various improvements were made to the ammunition, including increasing the weight from 55gn to 62gn and adding a mild steel core to improve penetration through the brush. When the bullet enters a fluid, that fluid is displaced, and the speed at which it is done creates a shock wave that compresses and stretches tissue.
#338 SPECTRE CASE TRIM FULL#
In addition, it would create a hydrostatic shock, this is best compared to shooting a milk jug full of water. Part of this was made worse (or better?) by the 1in12 twist, which is just barely enough to stabilize the 55gn bullet. Bullets did not often track straight through a combatant but would tumble, and ricochet off bones. The high velocity combined with the long nose of the bullet was inherently unstable, and when the nose of the bullet was slowed suddenly the heavier base would kick around and begin to tumble. The high-velocity bullet has a few mechanisms of injury besides creating a. 22 (5.56mm) caliber projectile that was fielded during Vietnam war had it’s growing pains. The M-16/M4, and the AR-15 were introduced in the late 1950s with a new cartridge that was quite a bit smaller than the 7.62 calibers that had been in service in the military since the introduction of the 30-40 Krag in the 1890s, The new high velocity. It’s not hard to derive where the perceived need for this cartridge came from. Its close enough for illustrative purposes. History The M-16…well close, the original issues ones did not have a 30 round magazine. It is supported by Southern Ballistic Research (SBR) in Georgia but was originally conceived by Teppo Jusu. Likely means this ammunition is not available in European markets. The 338 Spectre is a wildcat cartridge, with no SAAMI published specs, and at the time of this writing, nothing has been published on C.I.P’s website. Based on a 10mm Magnum Case (Not 10mm Auto) necked down to accept 338 caliber bullets, this is a potent and versatile cartridge for any AR or Bolt gun. Imagine having a subsonic round with the same muzzle energy as a 44 Magnum but out of an AR platform and utilizing suppressors designed for 9mm. 338 Spectre, an interesting cartridge supported by Southern Ballistic Research (SBR) and one of my favorites to play around with.
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