I have 2 Geissele SD-E AR15/AR10 triggers, one was installed but never used and the other is new...Both are essentially in the same condition. $179.00 ea Shipped. No trades, no low ball offers. Discreet PP FF Preferred. Email me if you want one or I'll do both for $340.00 delivered. [email protected] Edit 5/19/19: Both Sold, thank you!