Ammo ID from a Trade? (Not: 7.62x54R, but 7.62x51)

I had a buddy of mine contact me about some ammo that a friend of his had, so I worked out a trade, and now I'm trying to ID the ammo, which I believe all of it is milsurp. What I traded was 140 rounds (4 boxes of Wolf and 3 boxes of Tula) 7.62x39 for a loose bag of 122 rounds of brass-case (edit) 7.62x51. This is what I wound up with:

1 round - "RA 69" soft tip
3 rounds - TW 69" soft tip
15 rounds - "LC 77 MATCH" with a weird four-point tip
20 rounds - "TW 69" orange tip FMJ
20 rounds - "LC 93" FMJ
23 rounds - "RA 68" FMJ
40 rounds "WRA 69" FMJ

I'm assuming the numbers are year of manufacture, "RA" is Remington Arms manufacture, "WRA" is Winchester Repeating Arms, and "LC" is Lake City, but what is "TW"? Any of this ammo corrosive (unlike my old Silvertip import that is corrosive)?

Anyone know what the orange tip ammo is?

All the ammo I traded for is brass-cased and reloadable without staked primers, from what I can tell.

Are you sure this is 7.62x54? Sounds like 30-06 to me.

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Hmmm....good question. I haven't compared it to anything else and was going according to what the guy said and the handwritten "7.62x54" the guy wrote on the bag. I'll have to dig out a 7.62x54R cartridge to check it.......Ah....come to think of it, I believe the rim is incorrect for "54" ammo, now that I think about it.

Edit - I hadn't looked at the ammo until this morning to inventory it, and it llooks like I came out better than I originally thought. It is 7.62x51 (308) ammo. I hadn't shot my Nagants in 7 years and hadn't looked at any 54 ammo in that time. I get to run this through my Springfield SAR-8, which I shoot a lot more often than the Nagants. Thanks for making me actually figure what I have!

Those are for sure reloads.

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Something about those did not "feel" right to me, but I couldn't seem to put my finger on the reason why I got that feeling. The military headstamps and soft-points don't add up, huh? Thanks for the input!

30-06 is (7.62X63) not 7.62X54, but 30-06 never was a nato cartridge so you dont see the metric numbers stamped

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Correct.

I made the deal, sight-unseen, through my friend and was told this was 7.62x54 ammo (for Russian Mosin Nagants) and even the bag was mismarked. I have had the ammo for four days and didn't look at it until this morning to inventory it. The ammo is actually 7.62x51 (308), not 30-06. There are absolutely no metric numbers stamped anywhere. The headstamps only have the letter code for the manufacturer and the number is the year of manufacture.


Edit - I did some research and Babarsac is correct on the tracer rounds. They appear to be M62 "dim-ignition" tracers manufactured by Twin Cities in 1969. Thanks for the input everyone!