SOLD/EXPIRED 125 pcs 308 win brass/trade for 300wm brass

[30-06 boy]

i have some military headstamp brass of some type in 308 win.approx 125 pcs.once fired,picked up at range. trade for lets say 50 once fired 300 win mag brass cases.is that too much to ask for? or 150 grain boattail or heavier 30 caliber slugs. any takers? jasongun)