--- title: "TRINITY FORCE UL-B.U.S. Polymer Sights" canonical_url: "https://www.kygunco.com/product/trinity-force-fsp02b-nl-ul-b.u.s.-polymer-sights" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/144602/thumbnail.jpg?v=1713445287" "og:image:height": "500" "og:image:width": "500" "og:title": "TRINITY FORCE UL-B.U.S. Polymer Sights" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Sights, Lasers & Lights](https://www.kygunco.com/category/shooting/gun-parts/sights-lasers-and-lights) / [Gun Sights](https://www.kygunco.com/category/shooting/gun-parts/sights-lasers-and-lights/gun-sights) / TRN-FSP02B-NL ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/144602/main.jpg?v=1713445287) For illustration purposes only, this image may not be an exact representation of the product. # TRINITY FORCE UL-B.U.S. Polymer Sights $10.99 Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Handled by our expert shippers in Bardstown, KY. Item # 144602 Style TRN-FSP02B-NL Condition New Manufacturer [Trinity Force](https://www.kygunco.com/brand/trinity-force) Weight 1 lb ### [Trinity Force UL-B.U.S. Polymer Sights](https://trinityforce.com/product/ul-b-u-s/) The Trinity Force UL – B.U.S. (Back Up Sight) can be used as both a back up sighting system for rifle optics or as a primary sighting system. These polymer sights are equipped with an internal quick-deploy mechanism that can be activated by pressing the body of the sight forward along the axis of gun. The Trinity Force UL – B.U.S. is designed to attach to any standard MIL-STD 1913 rail system and fits securely using the locking cross bolt and clamp system. To mount the sight, loosen the cross bolt nut and remove it completely from the sight base. Slide the sight onto the MIL-STD 1913 rail, then insert and re-tighten the cross bolt nut, securing the sight to the rail. SKU: **FSP02B-NL** Weight (oz): **2.4** Width (in): **2.5** Length (in): **1.6** Material: **High Strength Steel, Reinforced Polymer** Color: **Black** ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from Trinity Force ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/trinity-force-fsp02b-nl-ul-b.u.s.-polymer-sights#webpage","@type":"WebPage","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"TRINITY FORCE UL-B.U.S. Polymer 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