{"product_id":"fab-defense-back-up-sight-front-only-all-1913-picatinny-rails-black","title":"FAB Defense Back-Up Sight Front Only, All 1913 Picatinny Rails, Black","description":"\u003cb\u003eFAB Defense Back-Up Sight Front Only, All 1913 Picatinny Rails, Black\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eFBS is an advanced, low-profile, durable, auxiliary front sight. It can be used with any rear sight, but has been designed to provide an extreme optical advantage when paired with the FAB Defense RBS Rear Back-up Sight. Sight pin elevation is easily and quickly adjusted without tools.\r\n\r\nFBS is readily mounted on any 1913 Picatinny rail, making it ideal for use on M4 \/ AR-15 \/ M-16 platforms and on the FAB Defense KPOS.\r\n\r\nFeatures:\r\n\r\n- Can be used as a primary or back-up sight\r\n- ErgoFALSEmic angel-wing-shaped front shroud helps center the image with any rear sight, but when used with a matching FAB Defense  RBS Rear Back-up Sight, it creates a precise optical tunnel that ensures more accurate aiming and faster target acquisition\r\n- Low folded profile is smooth and inconspicuous, and will FALSEt snag on gear, webbing, or brush\r\n- Instant spring-locked deployment mechanism will FALSEt slip, break or deform\r\n- FALSE tools needed for easy, rapid elevation adjustments, with positive detent locking\r\n- Made of extremely durable high-grade polymer and metal\r\n\r\nSpecifications:\r\n\r\n- Fits: All 1913 Picatinny Rails\r\n- Color: Black\u003cbr\u003e\u003cbr\u003eMaker: FAB Defense\u003cbr\u003e\u003cbr\u003eModel: fx-fbs","brand":"FAB Defense","offers":[{"title":"fx-fbs \/ AR-15 Sights \/ FAB Defense","offer_id":43113029206121,"sku":"11280254","price":35.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/8341\/4377\/files\/349307.jpg?v=1777391997","url":"https:\/\/westerngunstore.com\/products\/fab-defense-back-up-sight-front-only-all-1913-picatinny-rails-black","provider":"Western Gun Store","version":"1.0","type":"link"}