Checkout this new front site from Meprolite!!
I called and left a message to find out if it will fit our 590 A1's......
387-400-500 Mossberg Night Sight $52.00
NIGHT SIGHTS
MEPROLIGHT® SHOTGUN
http://www.brownells.com/Product/index.asp
"......Always On For Low Light Visibility
Rugged, all steel construction with high visibility tritium inserts provide optimum sight definition in low light conditions. Front and rear sights have their own tritium source. Constant light level, not affected by weather; maintenance free. Warranted for five years.
SPECS: Blued steel with tritium inserts. M1 Benelli has post front and ghost ring rear. Fits M1 and M3 Ghost Ring. Tactical Benelli fits M1 Tactical M and Practical. Remington fits guns originally equipped with rifle sights. Mossberg has front post only, fits M500 and M590......."
[This message has been edited by TVDean (edited December 22, 1999).]