Good morning!

I was gifted my first firearm, a Ruger 10/22, back in 1974. Since then I've collected a few more firearms, and have sent a lot of rounds downrange. However, this is only the second "Enfield" type rifle I've owned. I resurrected a 1918 no.1 mk III SMLE a few years back, and now I'm doing the same with a Long Branch no. 4 mk I*.
The SN of this old warrior is 39L7458. From what I can glean, that is a 1943-ish production date. I got the rifle from GunBroker, and it was basically stripped. I've had a few people reach out answering posts from other forums with offers of parts. You can see by the photographs it needs a lot. I think the damage to the furniture was someone's attempt to learn how to checker a stock. I don't want to just throw another on; I am going to strip all the furniture, fill the cuts with wood putty, then restain everything. I will probably cover the stock with a nice leather wrap-around pad to finish that off.
I understand there were different sights mounted through the production life of the Long Branch Enfields. If my deduction of it's age is correct, can anyone tell me what type of sight would be correct?
If anyone who hasn't responded to my posts on other websites has parts I can use, please feel free to contact me!