They are very rare. Yet, I have two, and others are willing to sell. Try www.gunbroker.com and www.gunsamerica.com. They always have several for sale.
100-400 USD
gun shop, gun show
There is no model number 3006 or 243 in the Woodmaster line. Check Remington's webiste under the Sportsman's Library.
Caliber is .243, buy ammo in .243.
$350.00
midwayusa.com product #698420 $20 + shipping phone # 1-800-243-3220
100-500 USD
100-1000 USD
100-400 USD
$350.00
100-400 USD
Since 1921 Remington has date stamped the barrel you can find the details/table on the Remington Society of America under the Manufactured Date link.