American Precision Arms upgraded Bolt Knob adapter for Impact and Surgeon actions. Engineered to allow a standard bolt knob to be used on these actions. This adapter was made specifically for these actions due to so many requests for their bolt handle that they made this specifically to be a standard adapter that would fit their knob or anyone's bolt knob that was threaded the standard 5/16 x 24 thread.
- Model for Impact Actions
- Model for Surgeon Actions
- 5/16 x 24 thread
- 4140 steel
- Made in USA