{"product_id":"trijicon-ns-for-glk-20-21","title":"Trijicon Night Sights for Glock 20\/21 – Tritium 3-Dot System","description":"\u003cp\u003eTrijicon night sights deliver self-luminous tritium illumination for reliable target acquisition in low-light and no-light conditions. The 3-dot configuration provides intuitive sight alignment without batteries or external power sources. Tritium lamps are hermetically sealed and rated for 12+ years of continuous illumination, making these sights a long-term defensive sight solution for Glock 20 and 21 pistols.\u003c\/p\u003e\u003cp\u003eDesigned as a drop-in replacement for factory Glock sights, these night sights install using standard sight tools and fit standard holsters. The front sight features a white outline around the tritium insert for enhanced visibility in daylight, while the rear sight features two tritium dots. Machined steel construction with a matte black finish ensures durability and reduces glare.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Fixed tritium night sights\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 3-dot (tritium front and rear)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIllumination:\u003c\/strong\u003e Self-luminous tritium, no batteries required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTritium Lifespan:\u003c\/strong\u003e 12+ years\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Sight:\u003c\/strong\u003e Tritium insert with white outline ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Sight:\u003c\/strong\u003e Dual tritium inserts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Machined steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Matte black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e Glock 20, Glock 21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in replacement, sight pusher tool required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Trijicon","offers":[{"title":"Default Title","offer_id":47940659085567,"sku":"TRGL04-600227","price":109.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1308689.jpg?v=1766564918","url":"https:\/\/doublestackstore.com\/products\/trijicon-ns-for-glk-20-21","provider":"Double Stack Store","version":"1.0","type":"link"}