Not all match triggers will work and some will require some gunsmith work to make it work. Please refer to this online article for more details.http://sinistralrifleman.com/2013/01/27/match-trig...
Gresham Armory LLC Lake Stevens WA. http://www.greshamarmory.com/page4.html One of the reasons the AR-15 platform is its modular design which allows for a tremendous amount of flexibility in what the owner can do to make it their own. As much as the minutemen of yore customized their muskets to suit their personality, so too can the shooter [...]
Here is an interesting article about the history of the CAV-15. http://sinistralrifleman.com/2013/01/27/history-of-the-cav-15-polymer-receiver/