I am semi-retired and I am taking a self-passed and self-taught Armorers course on S&W Auto Pistols. I hope to become a part-time light Gunsmith in the future. There are over 60 quiz questions covering this firearm and I have answered most of them. During my study and research I am having some problems related to some of the following quiz questions. Either I am not sure of the correct answer or I have conflicting answers. Can you help me determine the correct answers for these few final quiz questions? Thanks for your help. Note #14. What does the trigger return spring (drawbar plunger and spring) do, other than returning the trigger (rotating it back/pushing it forward)? a) Cocks the hammer b) Releases the sear c) Pushes the drawbar up d) Pushes the drawbar down e) Resets the firing pin blocking safety feature Note #15. Not including the disconnecting action of the second hump of the hammer striking the drawbar, how many ways can the disconnector be pushed down (disconnecting the disconnector)? a) 1 b) 2 c) 3 d) 4 Note #16. What does the hammer hit when the hammer is dropped by the action of putting the manual safety on? a) The firing pin b) The safety itself c) The drawbar d) The frame Note #17. What returns the magazine catch and its button (nut) after the magazine is released from the frame of the gun? a) A leaf spring b) A spring and plunger c) A V spring d) A flat spring Note #18. What activates the slide stop? a) The magazine follower b) The slide stopping c) The barrel lug d) The inertia block Again, thanks for your help!