Home / Parts / Two. Swivel stud, adapter, pushbutton base. “uzi smg 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 Cobray m10 barrel extension $99.00 Add to cart Browning high-power, 9 mm magazine $35.00 Add to cart Astra 300 grips $49.00 Add to cart Rmac pistol stock $299.00 Add to cart