E-GunParts.com
Try e-gunparts.com
It's a shotgun, not a rifle. Value for the single-barrel 'Newport' guns in .410 run about $75-$100. sales@countrygunsmith.net
@ 1900 to 1930
you can find them in the numrich catalog or there web site e-GunParts.com
The patent for Newport Model CN double barrell shotgun is 1915, but Newport was a named given to guns made by J Stevens, Ivers Johnson, and Crescent Arms. So most likely it was made in the early to mid 1900's.
Go to the App Store on Mac and search 'Shotgun FunFun'. You will find a game called Shotgun FunFun. Download and install it.
Schematics for Diamond Arms shotguns can often be found in user manuals, which may be available on the manufacturer's official website or through firearm forums dedicated to shotgun enthusiasts. Additionally, online marketplaces and auction sites may have listings for original manuals or schematics. For more technical details, gunsmithing books or resources at local libraries may also provide useful information. Always ensure that you are accessing reliable and legal sources when seeking firearm schematics.
You can find an exploded diagram of a Miroku MK38 shotgun action in the owner's manual, which may be available from the manufacturer or authorized dealers. Additionally, online resources such as firearm forums, gun parts websites, or specialized shotgun manuals may provide detailed diagrams. Websites like Numrich Gun Parts or Brownells could also have schematics available for purchase or download.
The Norinco reproduction of the Winchester 97 pump shotgun was designed by reverse engineering (aka copying) an original Winchester 97. Therefore drawings, schematics and instructions for the original should work for the reproduction. These are routinely available on eBay. At the time of this answer, 360004560026 was one such item.
1915 c n Newport 12 gauge coach gun
I got one from e-gunparts.com, which is Numrich. They have schematics for many guns.
Numrich has a gun parts website. Best bet for any gun parts or schematics...