Description
You are considering a vintage 12-Gauge Winchester Model 12 Square-Face Partial Assembly 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 AS Rotary Shaft Seal 45x62x7mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_ced4c226-b1b3-4a2d-9f1a-82d8834bedef.jpg)




![NBR Design C Rotary Shaft Seal 45x60x10mm [5 Pieces]](https://www.toolsbunker.com/wp-content/uploads/2026/09/wedi.c41191f1_b9bef02a-142c-48b5-b082-5581c16c0b5d.jpg)