i got some parts in a box at a yard sale can you help me identify any of them for me ? no idea what the black rings are for. the peep sight is a marbel what for ? i can't read the side other than pat. oct 20 the two pieces on the bottom are a pair with springs on each. the wood rods are 2/3 of a shotgun cleaning rod missing the jag/ brush piece of it darn.