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.

338 spectre barrel length