257 cal bullets to trade:

Almost full boxes of the following (about 90/ea):

120 gr Sierra Game King HP
120 gr Speer Hot Cor
87 gr Sierra Varminter

Full box:

100 gr Speer Boat Tail

Need:

257 cal 115 gr NBTs
257 cal 117 gr RN Interlocks
30 cal 180 gr RN Interlocks
30 cal 165 gr NBTs
338 cal 200 gr Speer HCs