use the indusrial craft or maybe plastic craft mod. you should be able to see how to craft an extractor in the topic :D
What are you asking?
7.65 is .32 ACP
300 USD
1960
Made in 1917.
rg 390 cal .38 knall
abart 10
50-125
Try proofhouse
50-150 USD or so
You will need help from a gunsmith