Tender For supply of manifold with rings assembly , gas coupling , shutter ring obturating ring , valve , small rod assembly , rear piston w ring , releaser disconnector , feed sprocket , breech roller pin , breech block roller , firing pin spring , firing pin firing pinpint , lead contact current supp contact , carriage , castle crown , drum , spring ring , ring , rivet 4x8. 03. 15 chem. phos, oil , contactor assembly , cover pin , machine for loading of cartridge belt