The GrovTec hammer extension adds a horizontal surface to the hammer to increase contact area and improve manual control on compatible hammer-fired firearms. It is made from steel and is intended specifically for the Thompson Center Contender and the Smith & Wesson Model 29. The extension can be mounted on either the right or left side to suit handedness or to clear optics and other mounted accessories. Each hammer extension is specific to the firearms listed in its fitment information and should not be used on other models.
Key Specifications
- Compatible with Thompson Center Contender and S&W Model 29.
- Constructed from steel.
- Product type is a hammer extension.
- Mounting orientation supports right or left side installation.
- Overall dimensions listed as 0.20 x 2.85 x 4.85.
- Height listed as 0.2000.
- Width listed as 2.8500.
- Length listed as 4.8500.
- Provides a larger horizontal contact surface for improved grip and control.
- Each extension is specific to the firearms it fits; do not use on firearms not listed in the fitment.
For shooters fitting optics or seeking crisper manual manipulation of the hammer, this GrovTec extension is a purpose-built, durable accessory for the specified models. Its straightforward design focuses on mechanical function and reliable fit for those who value precise, consistent control without altering firearm operation.





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