Product DescriptionThe Geissele Automatics Super Semi-Automatic (SSA) Large Pin trigger is a precision, two-stage combat trigger designed for semi-automatic use. Built with high-quality components and precise manufacturing, it delivers consistent trigger control for accurate shooting while remaining forgiving enough for close-quarters work. This large-pin model is intended for Colt AR rifles that use the larger 0.169-inch trigger/hammer pin size, providing a durable, reliable upgrade for demanding applications.Product HighlightsTwo-stage SSA design for improved control, precision, and shot consistencyLarge-pin configuration (0.169 in) for compatible Colt AR platformsNon-adjustable combat trigger design for long-term reliability in hard useCaptive springs and serviceable design to support field maintenance and cleaningMade in the USA by Geissele AutomaticsSpecsBrand: Geissele AutomaticsManufacturer Part Number: 05-123UPC: 854014005618Trigger Type: Semi-automatic onlyTrigger Stage: Two-stageApprox. Pull Weight: 4.5 lb (approx. 2.5 lb first stage / 2.0 lb second stage)Pin Size: Large pin (0.169 in; standard reference 0.155 in)Compatibility (per listing data): Colt AR rifles manufactured approx. 1990-2009 using large pins; designed for mil-spec AR-15/M4 platformsCountry of Manufacture: USADisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.