Possible live rounds of Ammo found Id needed please

[metal mania]

after Researching a local beach decided to do a search came across the usual fishing hooks etc then dug two bullets in a row they appear made of brass about 4 4 1/2 inchs with a ridge open but filled with some kind of material and RG LIA2 thanks for looking

 

[WhiteHunter]

Thats what the army use while training, ive found thousands. I also have some live ones

 

[hogge]

Blanks

 

[allen]

i hate finding those whole bullets !!