anyone no how to properly operate and adjust these old style inteegral tang sights? it is on a collath drilling [ 12 x 12 x 9.3x72R, nitro proofed, steel barrels:

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

it doesnt have an obvious pop up mechanism, so i am using a screw driver for now, and not sure how the two parts work together ??


cable