This is a Uncle Mike's Swivel known as the QD 115, model 1441-2.
Remington 760 and 7600 (1969-Present) made by Uncle Mike's. Fits Remington(R) Model 7600" 760s and Six Pump Actions" 740" 742" other .22 and centerfires with .645 to .660" diameter barrels.
Features:
Fits multiple models
