To replace the firing pin in an H&R Topper shotgun, first ensure the firearm is unloaded and safe to handle. Remove the barrel by unscrewing it from the receiver, then locate the firing pin inside the bolt assembly. Use a punch or small tool to carefully drive out the old firing pin, and then insert the new firing pin in its place, ensuring it is seated correctly. Reassemble the shotgun by reattaching the barrel and performing a function check.
Best left to a gunsmith
Harrington & Richardson (H&R) the maker of the Topper shotgun, was located in Worcester Mass.
There were three American companies that marked a revolver known as "Secret Service Special." The Iver Johnson had a manual safety located on the frame. The H&R and the Meriden Firearms models did not. The H&R has a hammer-mounted firing pin, while the Meriden has a frame-mounted firing pin. They were made at different times, shortly after the 1900s- but despite the name, none were for the use of the US Secret Service.
Topper is a brand name of a line of basic single-shot shotguns made by Harrington & Richardson. H&R is owned by Marlin Firearms Company.
The H&R topper model 490 JR was made from 1961-1983.I hope that you find this informative.
For the Fox B Series H 12ga shotgun, you must first remove only the wood buttstock. Leaving the barrels on, break the shotgun open and open it as much as possible, force it open until it can no longer open any further. When you look inside, behind the hammers, you will see a screw and the back of the firing pins. Remove the retaining screws with a screwdriver that will fit in there, it is a tight space to work with. After you unscrew the screws, the firing pin can now easily fall out, along with the spring. Take the new firing pin and spring and insert in the same position as before, screw in the retaining screws. Put the stock back on and you are good to go.
Comparison to others with known dates.
that is a 22 caliber made by harrison-richardson gun company-Gardner,Ma.-the firing pin hits the rim of the bullett,rather than the center.
Check old gun catalogs
Between $50-100, depending on condition.
Blue Book of Gun Values can help
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