Gigg, suggest you or anyone interested in detailed disassembly/assembly of our "Sweet Elsies" invest in J.B. Wood's Gun Digest Book of Firearms Assembly/Disassembly Part V: Shotguns, second edition. ISBN: 0-87349-400-8/// web:www.krause.com This even has the basics of that engineering "gem" the Hunter One Trigger. Best, BILL