Geissele Automatics G2S 2-Stage Trigger Geissele Automatics G2S 2-Stage Trigger The Geissele 2 Stage (G2S) was designed to be a high quality, cost effective option of the SSA trigger. The G2S is a non-adjustable trigger that is a precision two-stage trigger and allows precise and... MSRP: Was: Now: $170.00 Add to Cart