Here is another 30 cal I am unable to identify

[RCS]

This is a green tip with a head stamp of DEN 42

In checking around, some say it is AP for UK ?

Any help in identification would be appreciatedAttachment 92184Attachment 92185

Information

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[RCS]

Now it looks to be more of a blue color than green

[rcathey]

This is closer to the blue I'm used to seeing on incendiary. That's a Denver headstamp so I'd assume US issue.

EDIT: Anyone ever light one of these off? Any fireworks?

[browningautorifle]

I think incendiary also. I had a few that came from Israel and I pounded them at hard targets at 100/200m with neat KA-Booming results. Also a flash with a puff...like the spotters we talked about... Wish I'd thought to go buy a small propane tank, fill and shoot from cover at 200. That would have been epic.

Ammunition Cross Sections

[aspen80]

I was just reading an old thread that said they were used for target marking. supposedly it was ink and different colors for different shooters on the same target and it was ink

[browningautorifle]

supposedly it was ink

Kind of like the recruit instructor I overheard telling a recruit that it was the red tip on the bullet that glowed when a tracer went downrange...

[rcathey]

Kind of like the recruit instructor I overheard telling a recruit that it was the red tip on the bullet that glowed when a tracer went downrange...

So the bad guy can see it and get out of the way. How considerate!

[browningautorifle]

It wasn't even funny...I halted and sorted on the spot.

[Sunray]

They were used for lighting Japanese Zero gas tanks on fire by early U.S. involvement dive bombers and P40's. No self-sealing tanks in Zeros. Also used for light other stuff on fire too.
"...I overheard..." Militia MCpl? Over heard a militia guy telling a buddy, on the old Cold Creek Conservation Area range, an FN was impossible to shoot left handed. Asked him how I managed to shoot expert with one left handed.

[browningautorifle]

Militia MCpl?

Nope, reg force permanent staff instructor at the battle school. Just a young one is all...accelerated promotion type... He turned out ok. The recruit later released and became a...male exotic dancer...

The militia inexactitudes were mind boggling...