The ELF-SE Drop-In Trigger maintains the Elftmann reputation for quality, craftsmanship and customer service in an affordable package. Extremely short takeup, clean crisp break and very short, positive reset. It has an updated look with updated features such as, adjustable pull weight being one of them! FeaturesDrop-SafeAdjustable from 2 3/4lbs to 4lbs without removing from lowerPatented Double-Double torsion hammer springShort pull and reset allows for rapid follow up shotsMade of lightweight aircraft-grade aluminum & hardened steelUnique design of disconnector allows full A 1/4" width eliminating possibility of wear and double-firing