[url]http://www.biggerhammer.net/ar15/pins.html[/url]
Chief, you may want to make sure those parts aren't automatic parts too.
Auto[img]http://photos.ar15.com/ImageGallery/Attachments/DownloadAttach.asp?iImageUnq=19406[/img]
Semi[img]http://photos.ar15.com/ImageGallery/Attachments/DownloadAttach.asp?iImageUnq=19427[/img]
A better pic, thanks BFI.
[img]http://photos.ar15.com/WS_Content/ImageGallery/Attachments/DownloadAttach.asp?sAccountUnq=12467&iGalleryUnq=1145&iImageUnq=22116[/img]
Notice the difference in the selectors, hammers and discos. The diff in the trigger is more difficult to see. In an auto trigger the slot the disco rides in goes through the rear of the part. Semi triggers are solid at the rear.
[gramma][new pic]