Thread: Accurizing LE No. 4 trigger to No 4(T) specification.

As most know, Lee Enfields are not know for their hair trigger, in deed, they are meant to be set up to have a two-stage "creepy first-then-harder crisp" trigger.

Anyway, the best set up trigger is still a challenge to accuracy, especially shooting unsupported.

An over-travel stop in the form of a small cable tie around the trigger guard behind the trigger has been helpful already.

So... next now I decided to tune my No 4's cocking piece as per the No 4(T) description, with a 10 degree face angle, rather than 5 degree standard.

An inexpensive eBay knife sharpener, a bit of filing the plastic to allow the cocking piece to be mounted poking up through the bed, some spring clips and there we go. The sharpener only has up to 1500 grit stones, so I taped a small piece of 2000 grit on a stone to achieve final mirror polish.

Because the sharpener is designed to rest the stone on the blade there is no problem canting to either side, but for sharpening the small cocking piece face I had to run the stone over and in contact with the end-edge of the sharpener bed. A small roller will be added if I need to do this job again to stop any sideways rocking.

Hope this is useful to someone.

. The dishwasher soap is my go-to lubricant for the stones. Allows you to rinse everything off in the sink afterwards and the stone may be used with water later at a pinch, not so with oil. But oil IS the ideal lubricant for honing.

the spring clamps holding the cocking piece. Also held by the sliding blade holder's front edge.

[ATTACH]154664

[/ATTACH] the 2000 grit paper for the final mirror shine polish.

Yes, I share that misgiving (and have a spare complete bolt (-: ) I once looked into it and a small jar of Cherry Red case hardening compound will set you back just south of $100. Will have to bite that particular bullet if it does not hold up.

Originally Posted by Cordite

Yes, I share that misgiving (and have a spare complete bolt (-: ) I once looked into it and a small jar of Cherry Red case hardening compound will set you back just south of $100. Will have to bite that particular bullet if it does not hold up.

Yes the case hardening on these old girls were often very superficial with the exception of the savage made actions which must have been made from a grade of higher carbon steel.

Dont buy any.. I have some case h6ardening compound here, I can send you enough to do the job if you see the need

I doubt you will ever pull the trigger enough times on the old girl to need to bother with case hardening
unless you are planning a post covid 19 trip to Afghanistan

I converted a 303 to fire off the half cock position by filing the hold notch out. very simple and halved the lock time. Never gave any problems

Originally Posted by Moa Hunter

I converted a 303 to fire off the half cock position by filing the hold notch out. very simple and halved the lock time. Never gave any problems

Love it! Beats a titanium firing pin hands down I bet.

Originally Posted by mimms2

You can case harden pretty easily at home with a 4-brick muffle furnace and tin of charcoal.
If the underlying metal has enough carbon in it, a harden and quench with a propane torch may be enough.

I always use water on my stones. Oil on my strop.

Used engine oil is also very good for hardening, and its cheap.