From ABOUT 1905 through the 1930s, Crescent Firearms (under several different names) manufactured "Hardware store" guns, using nearly 100 different brand names. None of my references have a separate listing for Trustworthy, making Crescent a likely suspect in that time frame. For some guns, there is simply not much information available. Sorry-
Invector is a brand not a choke. Invector is a brand not a choke.
System of changable shotgun choke tubes made by Mossberg. Accu Choke is their brand name. A shotgun choke is a means of reducing the bore size at the muzzle of a shotgun, to produce shot patterns that spread to a greater or lesser degree.
Rem-Choke
The value of a 1905 model D single barrel choke bored Diamond Arms shotgun is actually dependent upon a number of things. Most importantly the condition of the shotgun.
A barrel with a full choke.
25-100 USD
Cylinder bore- no choke at all.
Question refers to a double barrel shotgun manufactured by H S B & Co of Chicago. It was a Genuine Damascus brand with a Choke Bore (not borel). Good Luck
If you are mean the H&R model 158 Topper single shot shotgun?This model was made from 1962-1973.
A pattern of a shotgun is determined by the choke at the factory. Some models have a variable choke that makes the user able to change the pattern.
A shotgun barrel with a cylinder bore choke.
They came in various barrel lengths and choke combinations. If it is not marked on the side of the barrel, you will have to pattern the shotgun to determine the choke