This is a RCBS known as the Turret, model 88901.
The RCBS(R) Turret Press offers simple operation-no complex or automated processes. Reloaders have complete control over every step" and the press may be operated in progressive or single-stage mode. In progressive mode" output can be increased from 50 to 200 rounds per hour. It features a rugged" cast iron frame" toggle block and turret head. The press' heavy-duty construction minimizes springing and detent on the turret head ensures positive alignment. Note: RCBS highly recommends the optional Uniflow(TM) Powder Measure with Case Activated Linkage Kit for use on the Turret Press (sold separately).
Features:
Standard 7/8 inch-14 threads
Six-station turret head
Rugged, cast iron frame