CREATE TABLE table_50167 ("Cartridge" TEXT, "Bullet weight" TEXT, "Muzzle velocity" TEXT, "Muzzle energy" TEXT, "Max pressure" TEXT)

What is the bullet weight with a 12,000 cup max pressure?
SELECT "Bullet weight" FROM table_50167 WHERE "Max pressure" = '12,000 cup'
SELECT "Bullet weight" FROM "table_50167" WHERE "Max pressure" = '12,000 cup'