Sorry should have researched a little harder.
Found this on the Spot Hogg website:
Price: Please contact us for pricing
Pins for the Hogg-It, Hunter, Real Deal, Right On, Seven Deadly Pins and Barebones are all interchangeable. Available pins are: .019 fiber optic, .029 fiber optic, .039 fiber optic, and .045 aluminum pin.
Fiber optic colors: Red, Green, and Yellow. Pins come with or without a turret. What is a turret? Click the picture at left!