Hi Peter L low rear sight issue/solved?

[RJW NZ]

Hi Peter, sorry to post this again , I should have explained instead of asking you to run all through the butchery thread again.

The problem with low mounted rear sights is probably genuine and probably comes from the no1mk6 rifle having a different rear sight set up from the no4 rifle, instead of a spring and plunger under it they seem to have a spring and ball, as per the no1 mkV. As the sight shape is not no1mkV but no4 style it's gone unnoticed here that the underside is shaped differently for that ball.
I've been trying to get a rear sight to work on my mk6 for sometime. It mounts but will not pivot due to being about .070 lower in the axle compared to my 1955 no4.
I bet our earlier friend with this problem has an A marked rifle.

But in addition to this I just realized what you'd said in your last post, that this affect the front sight greatly, and on this I can only agree and wonder just how the armorers solved a front sight post that had to be .070 lower, is there room just to grind the post down? ...and, I suspect plenty of A rifles lost their original non standard spring and ball pivoting sight over time, what did the armorers do with a non pivoting sight, bung on a 300/600 and leave it fixed, which is how mine came? (Although that would have meant it shooting low)

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[jmoore]

Could the front/fore sight base also be lower? If the portion of the case encompassing the barrel is the the same as a No. 4 you could check by measuring the overall height of each. Of course, the barrel/sight base would have to be original (Enfield marked) on the Mk VI.
Or just move the hash mark on the slider 0.070" lower similar to the L42a1 rear sight mod!

[RJW NZ]

Hi jmoore,
Clever idea. I went and got the 1955 and the 1930 side by side. The sight blades are almost identical, within a thou. The overall height difference on the sight base though is 40 thou. lower on the mk6. I'm still not quite sure how they'd do that as a mod, perhaps it means the sight base is the original 1930 one as you say. thanks for the pointer...that is how they shoot straight, thats for sure.

[jmoore]

The mod. was to the little range indicator line on the moving part of the rear sight (elevator). Mr. Laidler could describe it better.
Most interesting that the front base is shorter! Never mentioned anywhere else than here possibly!