M1 carbine pin and spring kit, 12 parts to rebuild your carbine 1) operating slide spring, 1) bolt extractor spring, 1) bolt ejector spring, 1) Sear spring, 1) magazine release spring, 1) operating slide stop spring, 1) carbine trigger housing pin, 1) carbine hammer pin, 1) carbine trigger pin, 1) carbine front sight pin, 1) carbine trigger spring, 1) carbine hammer strut spring