i have read a few threads on mk318 and the two different boxes it can be bought in. i have read alot of speculation stating things like “this one is factory reject” and “this one is for public consumption” but i have found no factual information. so which box do i want to be buying? white or brown?
Brown box is definitely military issue, based on the box markings (DODIC, lot number format). Whether the white box is factory seconds or marketed for LE, I couldn’t tell you.
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The white box, marked T556TNB1, is what is shipped to LE. The ATK LE rep I asked had never seen the brown box version, and had no idea where it was coming from.
Does the military typically buy 5.56 ammo in 20 round boxes?
Speaking of Mk318 does this look ok? Its from the brown box.
sorry for the derail
What’s the headstamp on your ammo?
Headstamp is FC 10
so there is no problem with the brown box? it is not rejects? all i know is that the stash i have (very small) seems to be constant in appearance and velocity and is fairly accurate. however, i have read alot of speculation over this and the fact that brown box is typically $1 or $2 cheaper than white box leaves me wondering.
So is that gap ok on the picture above?
well that’s what mine look like. that’s the last driving band that the case is crimped at, followed by green sealant.
Same here, and bump…
Anybody have the OAL of the cartridge?
I don’t know the spec, but my calipers say 2.220" OAL. That is just one cartridge, and it’s a $20 caliper, and I just got off of a 12 hour shift, so please don’t blow your hand off on my account!