Part Number: 1221839-1 (No description) Part Number: 122184 (Wave guide) Part Number: 1221840 (Cat) Part Number: 1221840-1 (Block) Part Number: 12218472-001 (Plcc-52) Part Number: 122-185 (No description) Part Number: 1-221851 (Spring) Part Number: 1221851-10 (Connctor) Part Number: 122186 (Wave guide) Part Number: 1221861 (Ne) Part Number: 12218661 (New stock) Part Number: 122187 (Bolt assy) Part Number: 12218706 (No description) Part Number: 12218708 (No description)