Well he obviously musta meant bolt spring. Don, if you don't have an exploded view, I've got both old and new models I can e-mail you. The whole part that's welded on is the lug, the part or parts that you want to remove are the bolts (really old models had a single bolt, newer models have a split bolt). Slightly compress the bolt spring (I use a small c-clamp) then drive out the bolt stop pin (part number 1104, Brownells sells a great little drift set) then carefully remove the c-clamp so you don't shoot the bolt and spring across the room. It is a straight pin, no taper.
Helicopter Bill