5.56 LC 77 - feedbacks

[foxyyy]

hi guys!

just got a lot on these Lake City 5.56 ammo circa 1977:

http://img91.imageshack.us/img91/4238/lc771.jpg
http://img216.imageshack.us/img216/8728/lc772.jpg
http://img216.imageshack.us/img216/9545/lc773.jpg

anybody tried any of these batch? factor & accuracy wise? better yet, can anybody point me a link on its technical ballistics info?

thanks very much!

[MarshallDodge]

I had a little bit of brass from 77 mixed in with some newer 04 and 07. The 77 seems like better brass and is a little more difficult to size.