NO! The 1187 barrel was for remington shotguns,the auto-5 shotgun is a browning shotgun.
NO, DO NOT ATTEMPT TO DO SO!!!!!!!!!!!!
The 1187 is a safety modified Reminton 1100. The safety was changed in 1987, hence the model number change from 1100 to 1187.
50-500 usd
No
priceless
If you go to Remington's web site, you can request one or download one.
300 or so
IMHO you would be better served by ordering a replacement manual for free on the Remington site.
50-500 USD depending on specifics
Best left to a gunsmith
Baikal isn't made buy Remington; it just has the name stamped on the side. It is made by baikal of russia