Some residual acid cannot be washed out and remains in the leather. Tarnished brass can leave green stains on leather. On the outside the ammo looked brand new. Discussion in 'Carry Issues' started by smoke, Jan 10, 2018. Natural Handyman: Removing Mineral Deposits, Vintage Jewelry Lane: Verdigris: The Green Gunk No One Wants to See. This green stuff is a chemical called verdigris that develops from moisture on the metal that comes in … Use equal parts of lemon juice and salt to tackle verdigris stains. One thing we often don’t know about old ammo is how it has been stored. Fresh, recent ammo is preferable, certainly. This green stuff is a chemical called verdigris that develops from moisture on the metal that comes in contact with the leather. SMART TIP: If you have old ammunition, pull one bullet to see what’s going on inside. Come for the info, stay and make some friends.. We work hard to bring the best Glock Forum! On the outside the ammo looked brand new. Of the 20 rounds, 15 shot perfectly, three had a fraction of a second hang-fire, and two didn’t shoot at all. The 10mm had exhibited what looked like electrolytic corrosion along the case length and a little toward the bullet. But I had an interesting experience this week shooting some .300 Winchester Magnum (WinMag) that I had loaded for competition with Reloder 22 back in 1993. I also cleaned up a GI .45 magazine pouch that had the green stuff stained around the snaps. She has been a writer since 1996, specializing in business, fitness and education. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; (You must log in or sign up to reply here. Allow the baking soda and vinegar paste to sit on the verdigris stain for about five minutes. I would until then have agreed that old ammo is OK, but obviously that’s not always true. ALL Bulletin content is copyrighted, © 2020 Every time I do try to use it, the top bullet in each mag has green mold on it. Jan 10, 2018 #2 . I tumbled a bunch of ammo from new, all the way back to 40's and 50's 7.92 (8mm) ammo, 30.06, 7.62X51, 54R, and even included a dozen 50BMG rounds. (function() { Some had actual chunks of it, others, the entire interior wall of the case was coated with green fuzz. In the .44 there was the same brown streaks along the casing and toward the bullet. Safe corrosion will occur if the brass has been kept clean and dry. To check the internal condition, the bullet was removed using an impact (inertial) bullet puller. So I pulled the bullets using a hammer-type impact (inertial) bullet puller. Historically my answer has always been yes, since over the years I have shot military surplus ammo dating back to World War II (1939-1945) and never had a problem. Like the .223 ammo above: was it in a container in the middle of the desert for decades? It takes the corrosion right off it. If you’ve ever kept a brass case in a leather cartridge holder, you’ve seen the nasty green corrosion, and a nickel case avoids all that mess. The unique green tip epitomizes the famous and well regarded Federal designs and engineering advancements. The bullet makes use of a round bullet nostril so as that it would want to be loaded right into a tube mag with a nostril touching the bottom of the cartridge ahead contained in the tube. Note the verdigris-like corrosion and crack in neck. I would until then have agreed that old ammo is OK, but obviously that’s not always true. Not really; acids are used in tanning leather. Here’s a close-up of the same .300 Winchester Magnum hand-load from 1993 showing serious corrosion inside the neck. All of these metals contain copper. In the .357, there was some brown case streaks and green brass corrosion toward the case head (as well as spots on the bullet). smoke, Jan 10, 2018. smoke, Jan 10, 2018. Any metal that contains a high amount of copper can turn green. Leather items trimmed with brass hardware have a classic look about them.

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