$150-$220, depending on type of metal and condition.
Try e-gunparts.com
A yolk sac is a sac attached to an embryo, which provides early nourishment for bony fish, sharks, reptiles, birds, and primitive animals.
You will likely see the gestational sac and maybe the yolk sac.
The yolk sac is initially what gives the baby nutrients before the umbilical cord is formed
OUCH!
50-125 USD
Try e-gunparts.com
The protective sac around the embryo or fetus is the amniotic sac.
This sac is called ascus .
a sac that is digestive
10-100 USD or so
Gun shop, gun show, egunparts, on line auctions.
Sacagawea dollar coins are common and worth face value.
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embryotic sac
No such thing as ovarian sac
No such thing as Ovarian sac