{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"AR-15 upper quick fixes: match bolt carriers: are match bolt carriers just another expensive trinket or something that really improves accuracy?(WORKBENCH): An article from: American Gunsmith","author_name":"Joe Carlos","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00KSYTCVG.html\">AR-15 upper quick fixes: match bolt carriers: are match bolt carriers just another expensive trinket or something that really improves accuracy?(WORKBENCH): An article from: American Gunsmith</a>","width":400,"height":300}