Thompson Center Arms 3170R Encore Buttstock Thumbhole Pro Hunter Rif
The Thompson Center Arms 3170R Encore buttstock with thumbhole design is a factory-direct replacement component engineered for shooters who want a customizable platform. If you run a Thompson Center ProHunter rifle and need to swap out the buttstock—whether you're chasing precision at the range, hunting across changing seasons, or simply refining your rifle's ergonomics—this polymer thumbhole stock delivers a purpose-built grip configuration and a factory fit you can rely on.
Thompson Center's buttstock and forend ecosystem is built on the principle of quick, tool-free modularity. This thumbhole buttstock swaps in without gunsmithing, giving you the ability to tune your rifle's handling and comfort to your specific shooting style. The thumbhole design provides a secure, high-grip position that many shooters prefer for stability and control, particularly when working from bench or prone positions. Constructed from durable polymer, it's designed to withstand field use while keeping weight down.
Whether you're a dedicated ProHunter operator looking to maximize your platform or a shooter who values the flexibility to reconfigure your rifle for different roles, this buttstock is a genuine OEM part that fits exactly as Thompson Center intended. Black polymer construction resists weathering, and the thumbhole geometry encourages a consistent, repeatable shooting grip that translates into better shot placement.
Key Features
- Thumbhole design for secure, ergonomic hand positioning
- Factory-direct fit for Thompson Center ProHunter rifles
- Quick-swap modularity—no gunsmithing required
- Durable black polymer construction
- Engineered for precision and field use
Specifications
| Brand | Thompson Center Arms |
| Model | 3170R Encore Buttstock |
| Type | Buttstock with Thumbhole |
| Material | Polymer |
| Color | Black |
| Compatible Platform | Thompson Center ProHunter |
Frequently Asked Questions
Will this buttstock fit my Thompson Center ProHunter rifle?
Yes. This is a genuine OEM Thompson Center component engineered for ProHunter rifles. It's manufactured by the factory to ensure a perfect fit without modification.
What makes the thumbhole design useful?
The thumbhole configuration creates a higher, more secure grip position. Many shooters favor this geometry for improved control and consistency, especially during precision shooting at the range or from field positions like prone or bench setups.
Do I need tools to install this buttstock?
Thompson Center's modular system is designed for quick swaps without gunsmithing. The straightforward interface allows you to change out the buttstock as your needs evolve—whether you're adjusting for different shooting applications or personal preference.
Is the polymer construction durable for hunting?
Yes. The polymer material is selected for durability and weather resistance in field conditions while keeping the overall rifle weight manageable. It's built to handle the demands of hunting and range use.

