Visit the Numrich Marlin/Glenfield page. Or the Marlin home page to download the PDF version of the Model 60 manual. These two rifles are very similar in design.
http://www.gunpartscorp.com/catalog/Models.aspx?catid=310
Marlin downloads.
http://www.marlinfirearms.com/customersupport/manuals.asp
Numrich Arms has a schematic of it.
Try e-gunparts.com and Marlin
Age is 1966 from the AB prefix. You can find diagrams at Gun Parts Corp. web site.
you can search for it on google.
Check at Numrich Gun Parts. They have a online catalog with breakdown diagrams.
Contact Marlin.
Look for a manual for a Marlin 60. e-gunpats.com may sell them. Updated Answer - You can also download a free manual on the Marlin web site for the model 60 - it is the same firearm. http://www.marlinfirearms.com/Firearms/SelfLoading/60.asp
I cannot find any reference to marlin ever making a model 226.
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You might try Gun Parts Corp., or check the Ebay auctions from time to time.
You can find assembly diagrams for the Iver Johnson Model 66 in several places. First, check online forums and gun enthusiast websites where collectors may share resources. Additionally, websites like Numrich Gun Parts Corporation often provide schematics and parts lists. Lastly, consider looking for a service manual or contacting Iver Johnson directly, as they may offer resources or guidance on obtaining diagrams.
Have been through 4 referencesand 3 on line sources, and I can find no listing of a Marlin Model 61 at all. If it is truly a Marlin Model 61, please contact me through my message board, and I will see what I can learn from Marlin.