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 Parker Hale, 308 bull barrel $250.00 Add to cart Ruger, mini 14/30 recoil buffer $20.00 Add to cart Colt 20 round Magazine 556 $35.00 Add to cart Thompson Center pro Hunter forearm $99.00 Add to cart