couldn't locate the actual response from wolf the other day but have finally. this is direct from Wolf RE: grading of SK/Wolf ammo.
"They are essentially the same cartridge, except that our Match Extra
contains lot numbers that have all been tested and shown to shoot the most
accurate, where as the Match Target contains lot numbers that may or may not
have been tested, so there's a chance they may not be as accurate.
The factory is tight lipped on the selection process, but we'll give you
what we know.
The .22 ammo is made in lots of 50,000. From the lot ammo 50 rounds are
fired and the 50 round group is recorded including all flyers. If that lot
passes their desired grouping (this is unknown to us) it then goes to be
tested into another weapon. If it passes the 2nd grouping requirements then
it is Match Extra.
If the ammo fails the first step it is not Match Target but rather something
called "Magazine" the loose packed ammo. All ammo has to pass the first
grouping to be called Match Target. If the ammo passes the first grouping
but does not meet the 2nd grouping requirements then it is Match Target.
So for competition I would go with our Match Extra. For recreational
shooting Match Target will work just fine. I hope this helps explain the
differences."
Sincerely,
WOLF Ammunition"
