Dye UL Twistlock back

As the title states, a DYE UL twist lock back for a PFL and PFR. Normal wear on the very back from removing barrel. Has orings and detent.

SOLD!

http://i426.photobucket.com/albums/p...ps3b01227e.jpg
http://i426.photobucket.com/albums/p...ps6d4f3cb0.jpg

Bump OBO

Bore size?

It's not marked..... so I would guess .688 maybe?

Sold. Money sent. Thank you.