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Posted: 2/14/2005 5:56:08 AM EDT
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I have an ARMS #40 atop my flattop Armalite as back-up to my Aimpoint. I prefer the BUIS in the down and latched position, as it obviously makes for a clearer sight picture. My question is in regard to the spring. In this latched position, the spring is under the most tension. Is this the acceptable way to store the sight, or should I only latch it down during shooting? My concern is with the life and long term strength of the spring. Any comments or opinion would be appreciated. Thanks, |
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I've often wondered about this too, and has been a reason why I've been using a cut carry handle. I'm planning to add a scope to a carbine of mine however, so I'm going to have to use a fold down BUIS, but I don't know what to use. I'm not trying to hijack this thread  .
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| I've never heard of one wearing out. Not alot of tension required to hold up a sight, especially compared to the tension necessary to feed 7 rds of .45 auto.......which leads me to the point that I bought a 1918 .45 years ago from an estate that had the original 1918 date ammo loaded in a spare mag in a pouch. You could tell by the verdigris that it had been in there since day one or close (at least 50 years). The mag was rusted and had some pitting. I scrubbed it and threw it in my range box. It feeds fine to this day. One day, when we are all long since dead, someone is going to be on a forum (or whatever they have then) talking about my old ARMS 40 that he found that had been used for 50 years and still had great spring tension. As for AR15's and springs, this is the literally the last one I would worry about. |
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