The Timney Alpha Competition Trigger delivers precision performance with a 3-pound pull weight and crisp trigger break specifically engineered for Glock Gen 5 large frame pistols (models 20/21/29/30/40/41).Timney Alpha Competition Trigger System3-pound factory pull weight for improved accuracyFits Glock Gen 5 models 20/21/29/30/40/41 (large frame)Straight aluminum trigger with integrated safety bladeTeflon Nickel (NP3) coating on trigger bar and searAnodized finish for durabilityUses all stock Glock parts and springsNo gunsmith installation requiredEngineered to maintain complete Glock reliability while providing competition-grade trigger performance this trigger system offers easy installation and represents Timney's 78-year commitment to quality craftsmanship.