Sig MPX Two-Stage Adaptable TriggerTrue zero creep break Extremely short overtravel Hardened 440C stainless steel internal components The Pistol Caliber Carbine Triggers are built for top competitive shooters to offer the most accurate and dependable trigger on the market. Featuring Zero Creep technology, this drop in trigger has a short, two stage action, designed to feel like a 1911 trigger, that provides a true zero creep break, extremely short overtravel, a sub 0. 015'' tactical