Quote Originally Posted by Alan de Enfield View Post
Why would a sniper polish any of his brass ?

If you don't polish your brass, it goes dull and eventually 'greenish'.
The copper reacts with oxygen, carbon dixode and water (all substances any soldier may come into contact with) and the chemical reaction produces verdigris
Repeated shouldering and recoil on tough wool or cotton jacket would naturally polish soft brass.

If i was a sniper i would want my brass but changed. All about reflection limitation.