Home / Parts / Two. Swivel stud, adapter, pushbutton base. “Thompson Center encore 22 250 Remington barrel” has been added to your cart. View cart Two. Swivel stud, adapter, pushbutton base.$25.00 4 in stock Two. Swivel stud, adapter, pushbutton base. quantity Add to cart SKU: 157bu Category: Parts Product ID: 11624 Description Description Bye Grove, Tech factory SKU number Gtsw-235 if interested call 9076321112 Related products M1 A1 M14, recoil buffer $20.00 Add to cart Ruger, mini 14/30 recoil buffer $20.00 Add to cart Parker Hale, 308 bull barrel $250.00 Add to cart A.R. 15 brass catcher $55.00 Add to cart