Baikal MP-654K PM Makarov, MP-661K Drozd expanded repair set with label

Baikal MP-654K Mak, MP-661K Drozd Blackbird expanded repair set with label  X1.

Expanded repair set includes:

1. Valve saddle (seat)

2. Standard factory valve

3. Valve spring

4. Valve nut

5. Valve seal