N° 8 Mk I trainer fitted with an A. J. Parker 8/53 sight attachment

[tr63]

Thank you.
So, if I got it right, the receiver of my No. 8 is already threaded to accommodate such a PH No 5D sight?

Here are some better pictures:

https://www.milsurps.com/images/impo...gqM3jePh-1.jpghttps://www.milsurps.com/images/impo...5qk5su5h-1.jpghttps://www.milsurps.com/images/impo...DgqC3SRh-1.jpghttps://www.milsurps.com/images/impo...9DgqIyQh-1.jpghttps://www.milsurps.com/images/impo...fz4eKBkh-1.jpghttps://www.milsurps.com/images/impo...9kssyNdh-1.jpghttps://www.milsurps.com/images/impo...fSAuQEqh-1.jpghttps://www.milsurps.com/images/impo...frsmoSKh-1.jpghttps://www.milsurps.com/images/impo...mquC8PQh-1.jpghttps://www.milsurps.com/images/impo...uETPbPch-1.jpghttps://www.milsurps.com/images/impo...OL1vxi1h-1.jpghttps://www.milsurps.com/images/impo...ilrbnSMh-1.jpghttps://www.milsurps.com/images/impo...gH5oKhEh-1.jpghttps://www.milsurps.com/images/impo...aeAzDxph-1.jpghttps://www.milsurps.com/images/impo...9e4UDL8h-1.jpghttps://www.milsurps.com/images/impo...331S5UHh-1.jpghttps://www.milsurps.com/images/impo...ndm2fkyh-1.jpg

Yes your No8 is set up to have you to screw a PH5D sight to the left side of the receiver .