{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Working with springs: understanding the role of the springs is crucial to understanding how a given firearm was designed to function--and why it ... Basics): An article from: American Gunsmith","author_name":"Dennis A. Wood","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000ZKNPGG.html\">Working with springs: understanding the role of the springs is crucial to understanding how a given firearm was designed to function--and why it ... Basics): An article from: American Gunsmith</a>","width":400,"height":300}