the colt mark 4 is a 1911 model pistol acp (automatic colt pistol ). 80 series was made during the 1980's but was not made in 40cal. from the colt factory, only in 45acp and 38 super.
100-1000 depending on specifics
You will have to cal Colt to find out. SN data published stops @ 1985
yes
Colt Firearms ((named for its founder, Samuel Colt) was one of the firms that made the US Military Pistol, Cal .45 ACP, Model 1911. It was adopted by the US Government in the year 1911.
Colt Peacemaker refers to a revolver. 70 series pistol in 22 refers to a semi-automatic. Which one do you mean?
There were about 127,000 Colt model 1860 ,44 cal issued during the civil war costing the government about $13.75 each.
Range from 400-700 USD
50-1000 usd
A fine weapon
Yes
Proofhouse.com has Colt sn data.
no, not that i know of