clueless 2,976 #1 Posted October 3, 2017 When did they stop using three hole D blades with the dome washer on the 36 rd? Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,032 #2 Posted October 3, 2017 The change is on this page -1979 - The last double-D and first 3/4" Click on the picture Garry Share this post Link to post Share on other sites