Description
You are considering a vintage Winchester Model 12 Partial Assembly 12-Gauge Breech Bolt. It’s in good shape with light wear from usage, storage, and handling. Pick it up today to repair or complete your Winchester Model 12 Pump-Action Shotgun.
![NBR Design B Rotary Shaft Seal 45x60x8mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_c8145b16-f82c-4844-8b9b-feb0bb9eea8b.jpg)
![NBR Design A Rotary Shaft Seal 45x60x10mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_90cf108d-20f6-473c-9118-5ba0f6763fd8.jpg)