serial number would indicate if identifiable to 7th cavalry. value depends on overall condition.................
500-3500 USD or so
100-340 or so
about 120
It is worth between $200 and $2,000.
Impossible to answer without the maker's name.
Not much, thinking it was made after WWII.
Look hereWhat_is_the_value_of_a_Remington_Model_742_in_good_condition
It depends on who made it and what condition it is in. If it's a Hi-Point carbine, they are on the lower-end for value and price even though they are known to be reliable. It might be worth $200 U.S. Dollars. But a Beretta or Ruger .40 caliber carbine might be worth $500 or so.
10-10000 USD depending on specifics
200-360 or so
the .30 carbine was made from 1966-69. nib 499.00 ex 370.00 gd 242.00
100-200 dollars