Quote Originally Posted by Patrick Chadwick View Post
The A.J. Parker TZ 4/80 was an updated version of the TZ 4/47 for the Lee-Enfield No. 4. It was the last of the TZ line.
I presume that is the sight you are referrring to.

Patrick
No thise was definitely a "twin zero M80". It might be the same item, but the nomenclature was definitely "M80"