Quote Originally Posted by starling View Post
Meteors Mk's may be identified by the serial number prefix on the underside of the breech.

Mk1 = N & T 1959/62
Mk2 = NA & TA 1962/68
Mk3 = NB & TB - NG & TG 1966/73
Mk4 = NB & TB - NG & TG 1974/79
Mk5 = NH & TH 1979/93
Mk6 = ZE & WE 1993/2012
Mk7 = QF 2012

Hope this helps Regards Bill
Hi Bill,

Do you know if both .177 and .22 Mk7s were prefixed with QF?

Kind regards,

John