Home / Parts / Two. Swivel stud, adapter, pushbutton base. “Sig Sauer barrel assembly 1911 9 mm ultra compact” 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 Thompson Center encore 22 250 Remington barrel $299.00 Add to cart Colt 20 round Magazine 556 $35.00 Add to cart M1 A1 M14, recoil buffer $20.00 Add to cart FN FAL pistol grip $20.00 Add to cart