Seller: the_armourer (1,336) 100%, Location: christchurch, Southern hemisphere, Ships to: Worldwide, Item: 300553564111 Parker Hale PH16N side swing rimfire Sight. Works fine, sights swings away to let bolt be removed Sight base turning a plum reddish brown for some reason see pics dovetail base that this will fit would be 16mm or 5/8" at widest which is early brno model 1 .22 and similar, a bit big for the usual 1/2" .22 type dovetail. 2 Extra holes in top of base, I imagine have been put there to screw it onto a different receiever. Attractive and well made British small sight from the 1950s Freight: $10 to anywhere Air International. Payment by paypal is preferred and we ship to the US and Europe daily.