Tailflash
Well-known member
I have several demilled front end barrel/sight towers that came with old Trijicon Sight Posts (green tritium). Green tritium has a service life of around 12 years and then fades away. Trijicon will not service these specific sights, in fact, I cannot find them on their site and what is out there are all pulled units that probably have zero illumination whatsoever. Meprolight (brand) Tru-Dot Rifle Sight for MP5/90-series is similar, but they rely on tritium also, and I'm not confident purchasing something that probably is old stock on a shelf with possible half-life tritium. I'm not lurching around doing night operations; never have, never will, but I was thinking I can get some daylight service (at least) by modifying these with green fiber optic, and at a fraction of the price tritium sights cost (of which you can't see the tritium during daylight anyway).
Here's what I did:
Old Trijicon sights off HK33:

Using a 1/16" drill bit & 1/16" punch, starting at the opposite end, drill out the glue (or whatever) is holding the small tritium pellet in.

I used the side of a fine-tooth flat file to remove material to about halfway down; exposing the hollow portion. Then cleaned up the hole with the 1/16" drill bit.

Here's what I did:
Old Trijicon sights off HK33:

Using a 1/16" drill bit & 1/16" punch, starting at the opposite end, drill out the glue (or whatever) is holding the small tritium pellet in.

I used the side of a fine-tooth flat file to remove material to about halfway down; exposing the hollow portion. Then cleaned up the hole with the 1/16" drill bit.

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