Tritium sights how long do last




















Genuine Novak sights are so popular that they are frequently copied. Novak Designs, in addition to many non-illuminated iron sights ranging from plain-black-to-white dot, fiber optic and gold or brass bead, makes tritium night sights for a number of different handguns. The classic Novak LoMount sight can be had with a tritium bar or with tritium dots in a fixed, or Novak's new adjustable, rear sight.

A variety of rear notches are also available, and Novak offers installation services. Trijicon : According to a spokesman, Trijicon does the vast majority of tritium installations for the firearms industry, and uses exclusively green tritium vials for its front sight because that is the color most easily seen by the human eye.

Rear sights can be obtained with green, orange or yellow tritium vials. Trijicon offers a year warranty on the tritium in its green and yellow sights, but only five years on orange sights. Although the tritium in a vial cannot be recharged or replaced, Trijicon offers to replace tritium vials in old sights for a fee. Truglo : Truglo manufactures its night sights in Richardson, Texas, with tritium obtained from Swiss sources.

It uses green vials because green is the easiest seen by the human eye, although its popular TFO Tritium Fiber Optic series of sights can be obtained with a green front and yellow rear three dot configuration. The company's limited warranty is 12 years. The TFO and TFX lines are particularly interesting because they combine popular fiber optics with tritium vials causing the sights to glow brightly not only in low light conditions, but also in bright sunlight.

They are very good at drawing the eye in any light condition. The orange ring around the front tritium vial is of a shade of orange that is more easily seen by the human eye than other shades of orange.

The ring also is photo luminescent causing it to glow brightly after charging with ambient light. This allows the eye time to adjust and make the transition from bright sunlight to a dark room where the dimmer glow of the tritium is visible. The rear sight is also serrated to reduce glare. With a year warranty, the F8 sports the dot-over-dot configuration which some say reduces the chances of placing the front dot of a three dot system to the outside of the rear sight causing a severe misalignment.

People see things differently and a sight that works for one person may not be the best choice for another. Rear notch configuration, including U or square, and width can be important to some customers and not others. Some will like three dots and others will prefer dot-over-dot or dot-over-bar. And some will like the TFO or TFX line from TruGlo that combines optical fiber technology with tritium vials; others will hate them because the dots glow too brightly and can interfere with obtaining a proper sight picture.

By Doug Larson May 02, Categories Gear Guns Handguns. Sign Me Up! Join other Outdoor Retailers who already get great content delivered right to their inbox. If you don't want to bring your iPad into the bathroom, we can send you a magazine subscription for free!

Popular Stories. October 21, Sig Delivers a Custom Experience. August 18, Between the Lands and Grooves. July 28, Review: Taurus Raging Hunter. Comments on this site are submitted by users and are not endorsed by nor do they reflect the views or opinions of COLE Publishing, Inc. And what do you need to consider before getting the set of night sights for the gun? Tritium sights are composed of tritium gas, which is one of the radioactive hydrogen isotopes.

It is installed for visible lighting. The Tritium is the energy source for the self lumination, and it will emit the electrons and interact with phosphor, then the lights will be released.

This perfect pistol night sight is a reliable illumination source in the dim light getting to supplement human night vision. These sights are simple, durable, and compact, which shines brightly when used in complete darkness.

The Tritium in the vial will last for Hence, it will have a shorter half-life than the radioactive elements. The lesser amount of Tritium is used for the gun night sights, and because the function is visible under the dim light, the usable life is longer with the half-life range until it dies.

The night sights manufacturers claim that they provide the brightest sights and understand that what you buy depends on the low intensity.

At 25 yds, the front sight alone wouldn't be enough, but you can't see the perp that far away anyway. And to RBurg who doesn't like Glocks I'm sorry you got a bad one. Never heard of a bad Glock. I would never be able to say that about some Smith semi's I have known.

Last edited by sonny; at PM. I had a set installed on a Commander about fifteen years ago. They stayed visible for about three years, then got so dim they weren't noticeable. Too expensive for what I got out of them. Mickey D. I paint my sights with Radium. It's a really good sourse of illumination in darkness and has a half life of years.

Yeah Mickey, Just don't moisten the artists brush by licking it, and you'll be just fine! Elgin Watch Co. Terms of Service. All times are GMT The time now is PM. User Name. Remember Me? Keep it Family Friendly. See The Rules for Banned Topics! Thread Tools. Spotteddog Member. Every so often, I see someone ask the question. In other cases, it may be because the sights haven't been owned long enough to have reached their operational life span.

In my case, I have three examples that are now 1 11 and 2 12 years old. In advertising and warranty info manufacturers typically warranty them for between 10 and 13 years. The 4 sets I have 3 old, 1 new are now able to be compared for brightness. Life span being expressed is called "half life". Exactly as listed at the end of years in warranty info, the old sight set vials are one half the brightness of the new unit.

This was checked in a totally dark room, after 15 minutes of vision acclimation with all 4 weapons lined up beside one another. They're still usable, just not as bright as one may like. View Public Profile. Find all posts by Spotteddog. Find all threads started by Spotteddog. Visit Spotteddog photo album. BarbC Member. Find all posts by BarbC. Find all threads started by BarbC. Visit BarbC photo album.

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