Check the listing for details. TIMNEY TRIGGER COMPETITION ALPHA GLOCK 20 21 30 40 41 LARGE FRAME GEN 3-4 - RED. Color: Red, Condition: New. Listed at 156.95 USD. Introducing the newest addition to the Alpha Competition collection: the Alpha Competition for Glock Large Frame Trigger.Color : RedWith a factory pull weight of 3 pounds, the Timney Alpha Competition trigger answers the long call for a trigger that has the same feel and performance that matches the reliability of the Glock system by providing an improved trigger design that does not sacrifice any part of the Glock reliability. Staying true to our 76-year-old promise to our customers, this trigger can be installed easily with no gunsmith needed.Large Frame Trigger specs:· 3 lb. pull weight· Teflon nickel coated sear and trigger bar· Straight aluminum trigger with anodized safety blade· Uses all stock Glock parts and springs· Compatible with stock Glock pistolsFits: Gen 3 / 4 Large Frame Glocks (10 mm and 45 ACP)Compatible with Glock Models 20, 21, 29, 30, 40, and 41