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Old January 24, 2014, 11:03 AM   #1
Dakbroadbent
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Join Date: May 7, 2010
Location: Tucson AZ
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Cleaning Meprolight sights with Ultrasound

I have been cleaning my 1911's for a couple of years with a Lyman ultrasonic cleaner using their proprietary water based detergent. Works Great. I bought a Kimber with Meprolight nightsights and I'm wondering if these sights will tolerate the ultrasound cleaning. I phoned the US distributor for Meprolight and Kimber; neither could give me an answer. I emailed the manufacturer in Israel with the question; no reply yet.
Anyone have experience or an opinion on this?
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Old January 24, 2014, 05:23 PM   #2
chris in va
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Considering ultrasound creates microscopic 'explosions' on a surface, I wouldn't risk it. IIRC the tritium vials are sealed with some sort of clear polymer.

Just a guess though, maybe someone in the know can comment.
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Old January 24, 2014, 09:56 PM   #3
Paul K
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I've done it all the time with guns and it's no big deal.
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Old January 25, 2014, 04:22 PM   #4
Walt Sherrill
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Paul K's answer seems definitive -- but if that isn't good enough, simply call or email Meprolight.
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Old January 26, 2014, 12:14 PM   #5
Destructo6
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With heat and too much time (over 10 minutes) it will remove paint and some finishes.

It's unlikely that it would harm the tritium inserts themselves, but if the sights have painted dots, they may be gone when it comes out.

Take a look at the instructions for the cleaning agent. It should list safe times for various finishes.
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