The Skinner "Express" is .410" (approx) from the receiver to the center of the aperture at the lowest setting.
The Skinner "Tactical" sits .365" (approx) from the top of the receiver to the center of the Aperture.
Let me know how we can help you
ANDY
The Skinner "Tactical" sits .365" (approx) from the top of the receiver to the center of the Aperture.
Let me know how we can help you
ANDY