M118LR
Master
That's the spec for M118LR in LC Brass using Ball Powder.
I know the M-80 was loaded with a ball powder, The old LC Match was loaded with a case full of an extruded powder.
After Alliance had the contract it was rumored that they used their RL-15 or a blend that was also temperature sensitive, worked ok in bolt guns, but was really hard on M-14's brought back into service with daily temperatures in the 110+ *
I can only report upon the findings of MK 262:
Reviewing Black Hills' MK 262 Mod 1 Ammo
More often than not, when the military comes up with something worth having, civilians have to
www.shootingtimes.com