NIB it is about $550.00
No. Dimension-wise, they are similar, but there are differences in neck angles and case thickness. .223 Remington ammo can be fired in a 5.56 chamber, but 5.56 ammo should never be fired through a .223 Remington chamber.
Date code on barrel, check Remington Society of America - manufactured date link.
$150-$200, more if you have the original box and papers. sales@countrygunsmith.net
15,000 dollars if you throw in some gold
100-450 USD
500 or so
New they are between $150-170, they don't have a fantastic reputation...
100-600 USD
60 USD or so
2400
BAR- 300 dollars Never fired BAR- 400 dollars Having a BAR in the event of a break in- Priceless 2ND AMENDMENT
300-400 USD