
Availability: In Stock
The Thompson Center Arms 0040R Impact Breech Plug is a stainless steel breech plug engineered specifically for Thompson/Center muzzleloading rifles. If you're running a TC muzzleloader and need a replacement or upgrade breech plug, this OEM part delivers the precision fit and material quality you expect from the manufacturer. Whether you're a dedicated black powder hunter who shoots year-round or a seasonal rifleman who depends on reliable ignition, a quality breech plug is essential—it's where the hammer strikes and where pressure seals during the shot.
Stainless steel construction resists corrosion from black powder residue and moisture, a real advantage if you hunt in wet conditions or don't get to clean immediately after a range session. The plug is designed to work with Thompson/Center's Impact platform, ensuring proper headspace and alignment for consistent ignition and safe operation.
Replacement and maintenance breech plugs are often overlooked until they're needed, but keeping a spare on hand or upgrading to fresh hardware is smart preventive maintenance. A properly seated, clean breech plug ensures reliable firing pin strikes and helps you avoid misfires in the field when it matters most.
| Brand | Thompson Center Arms |
| Part Number | 0040R |
| Material | Stainless Steel |
| Fits | Thompson/Center Impact Muzzleloading Rifles |
This plug is engineered for Thompson/Center Impact-platform muzzleloaders. Verify your rifle model is Impact-compatible before ordering to ensure proper fit.
If you notice misfires, difficulty seating a breech plug cleanly, or visible damage or corrosion, replacement is a good idea. Regular inspection during routine cleaning helps catch wear early.
Stainless steel resists rust and corrosion from black powder residue and moisture, extending the life of the part and keeping your rifle reliable across seasons and weather conditions.

SKU: 152746989





Availability: In Stock
The Thompson Center Arms 0040R Impact Breech Plug is a stainless steel breech plug engineered specifically for Thompson/Center muzzleloading rifles. If you're running a TC muzzleloader and need a replacement or upgrade breech plug, this OEM part delivers the precision fit and material quality you expect from the manufacturer. Whether you're a dedicated black powder hunter who shoots year-round or a seasonal rifleman who depends on reliable ignition, a quality breech plug is essential—it's where the hammer strikes and where pressure seals during the shot.
Stainless steel construction resists corrosion from black powder residue and moisture, a real advantage if you hunt in wet conditions or don't get to clean immediately after a range session. The plug is designed to work with Thompson/Center's Impact platform, ensuring proper headspace and alignment for consistent ignition and safe operation.
Replacement and maintenance breech plugs are often overlooked until they're needed, but keeping a spare on hand or upgrading to fresh hardware is smart preventive maintenance. A properly seated, clean breech plug ensures reliable firing pin strikes and helps you avoid misfires in the field when it matters most.
| Brand | Thompson Center Arms |
| Part Number | 0040R |
| Material | Stainless Steel |
| Fits | Thompson/Center Impact Muzzleloading Rifles |
This plug is engineered for Thompson/Center Impact-platform muzzleloaders. Verify your rifle model is Impact-compatible before ordering to ensure proper fit.
If you notice misfires, difficulty seating a breech plug cleanly, or visible damage or corrosion, replacement is a good idea. Regular inspection during routine cleaning helps catch wear early.
Stainless steel resists rust and corrosion from black powder residue and moisture, extending the life of the part and keeping your rifle reliable across seasons and weather conditions.
SKU: 152746989
