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***5.56 MK318 NATO BTHP 62gr - 1 box/20

I've got one box (20 rounds) of 62gr 5.56 NATO MK318 - Mod BTHP ammo. 2925 fps match bullet. Manufactured July 11, 2012.

I bought this to use for deer hunting but forgot I had some Vshock laying around. So I don't need these anymore. Essentially, these rounds mix a HP with the green-tip penetrater (performance-wise, they look like your standard HP).

262 442 four four two three. Shoot me a text (no pun intended) or call. I will be at the gun show tomorrow in Springfield.

This is the info I found on the round:
The open-tipped rounds until now have been available only to Special Operations Command troops. The first 200,000 5.56mm Special Operations Science and Technology rounds are already downrange with Marine Expeditionary Brigade-Afghanistan, said Brig. Gen. Michael Brogan, commander of Marine Corps Systems Command. Commonly known as “SOST” rounds, they were legally cleared for Marine use by the Pentagon in late January, according to Navy Department documents obtained by Marine Corps Times.

SOCom developed the new rounds for use with the Special Operations Force Combat Assault Rifle, or SCAR, which needed a more accurate bullet because its short barrel, at 13.8 inches, is less than an inch shorter than the M4 carbine’s. Using an open-tip match round design common with some sniper ammunition, SOST rounds are designed to be “barrier blind,” meaning they stay on target better than existing M855 rounds after penetrating windshields, car doors and other objects.

The Federal T556TNB1 is the commercial designation for the MK318 round. The 62 grain bullet was designed by Federal / ATK and features an open tip with lead at the front and a thick copper base. The lead is designed to defeat barriers and the copper to penetrate the barrier.

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