{"product_id":"eratac-klappkorn-1-8mm-front-sight","title":"ERATAC folding front sight 1.8mm","description":"\u003cstyle\u003e\n.br-product{font-family:Arial,Helvetica,sans-serif;line-height:1.6;color:#222;}\n.br-product h2{font-size:1.2rem;margin-top:28px;}\n.br-product ul{padding-left:18px;}\n.br-product .info-box{background:#ffdddd;border-left:6px solid #c40000;padding:12px;margin:20px 0;}\n.br-product .tip-box{background:#eef6ff;border-left:6px solid #2a6fdb;padding:12px;margin:20px 0;}\n.br-product .trust-box{background:#eaf7ea;border-left:6px solid #2f8f2f;padding:12px;margin:20px 0;}\n.br-product .compare-box{background:#f5f5f5;border-left:6px solid #444;padding:12px;margin:20px 0;}\n.br-product details{background:#f2f2f2;padding:10px;margin-bottom:8px;border-radius:4px;}\n.br-product summary{font-weight:600;cursor:pointer;}\n\u003c\/style\u003e\n\n\u003cdiv class=\"br-product\"\u003e\n\n\u003ch2\u003eERATAC Folding Front Sight 1.8 mm – Foldable Front Sight for Picatinny Backup Sights\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eA mechanical backup sight is only useful if the sight post width, height, and rear sight are compatible with your setup.\u003c\/strong\u003e\u003cbr\u003e\nThe ERATAC Folding Front Sight 1.8 mm is the front folding sight for an ERATAC\/Picatinny backup sight with a 1.8 mm sight post width.\u003c\/p\u003e\n\n\u003cp\u003eIt is not a complete sight set. You need a suitable folding rear sight and an appropriate Picatinny rail. The standard version is the classic front sight variant without HK-style protection geometry.\u003c\/p\u003e\n\n\u003cdiv class=\"info-box\"\u003e\n\u003cstrong\u003eImportant note for classification:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nThis product is only the \u003cstrong\u003eFront Sight \/ Folding Front Sight\u003c\/strong\u003e. Without a suitable rear sight, you will not have a complete mechanical sighting system. Before purchasing, check: Picatinny rail, sight line height, sight post width, standard or HK-style, existing folding sight, co-witness planning, optic height, and intended use.\n\u003c\/div\u003e\n\n\u003cdiv class=\"trust-box\"\u003e\n\u003cstrong\u003eWhat makes this product technically special:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\n✔ \u003cstrong\u003e1.8 mm Sight Post Width:\u003c\/strong\u003e wider, faster to acquire and suitable for robust close-range\/operational logic, but covers more of the target at a distance\u003cbr\u003e\n✔ \u003cstrong\u003eFoldable Design:\u003c\/strong\u003e lays flat against the system when not in use and does not permanently obstruct the field of view.\u003cbr\u003e\n✔ \u003cstrong\u003eAR15-like Sight Line Logic:\u003c\/strong\u003e useful if backup sights need to match common AR heights.\u003cbr\u003e\n✔ \u003cstrong\u003eTool-less Elevation Adjustment of the Sight Post:\u003c\/strong\u003e facilitates zeroing of the mechanical sight.\u003cbr\u003e\n✔ \u003cstrong\u003ePicatinny Base:\u003c\/strong\u003e clean mounting on compatible MIL-STD-1913 rails.\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy this product?\u003c\/h2\u003e\n\n\u003cp\u003eElectronic optics are fast, but a mechanical backup can be useful on training, duty, or competition firearms. It is crucial that the backup sight is not only mounted but also properly set up.\u003c\/p\u003e\n\n\u003cp\u003eThis folding front sight is the front part of the system. The 1.8 mm sight post width affects how fine or fast the sight post works in the sight picture. The standard version is the classic front sight variant without HK-style protection geometry.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Backup:\u003c\/strong\u003e helps when the red dot, battery, or scope no longer provide a usable aiming reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFolds Flat:\u003c\/strong\u003e when folded, the sight remains discreet and interferes less with main optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeliberate Sight Post Width Selection:\u003c\/strong\u003e a wider sight post is faster to see, a narrower one allows for finer aiming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Front Sight Base:\u003c\/strong\u003e instead of improvised individual parts, a reproducible BUIS setup is created.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"tip-box\"\u003e\n\u003cstrong\u003eInstructor Tip: Truly Zero Your Backup Sight\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nBackup sights are often mounted but never zeroed. Then they are just decorative. After mounting, always zero them with the ammunition you actually use.\u003cbr\u003e\u003cbr\u003e\nCheck the sight line with your main optic. With very low or very long optic setups, even a flat folding front sight can interfere in the wrong place.\u003cbr\u003e\u003cbr\u003e\nConsciously fold the sight up and down during training. Otherwise, under stress, you won't notice if it moves freely or hits an optic, light, cable, or cover.\n\u003c\/div\u003e\n\n\u003ch2\u003eOur Assessment\u003c\/h2\u003e\n\n\u003cp\u003eThe ERATAC Folding Front Sight 1.8 mm is useful if you want to cleanly set up a mechanical Picatinny-based backup sight. It is not a replacement for a main optic, but rather a backup and training option.\u003c\/p\u003e\n\n\u003cp\u003eThe limit is clear: A front sight purchased alone does not provide a complete sighting system. You need a suitable rear sight, an appropriate mounting position, and a properly zeroed sight line.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAR and Picatinny platforms with a backup sight concept\u003c\/li\u003e\n\u003cli\u003eRange and training firearms with red dot or LPVO\u003c\/li\u003e\n\u003cli\u003eUsers who consciously train with mechanical backup sights\u003c\/li\u003e\n\u003cli\u003eSetups where a flat, foldable front sight is needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eLess suitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFirearms without a Picatinny rail\u003c\/li\u003e\n\u003cli\u003eUsers expecting a complete BUIS set\u003c\/li\u003e\n\u003cli\u003eSetups without a suitable rear sight\u003c\/li\u003e\n\u003cli\u003eConfigurations where the main optic blocks the sight line\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"compare-box\"\u003e\n\u003cstrong\u003eDirect Classification:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\n✔ \u003cstrong\u003e1.8 mm Folding Front Sight:\u003c\/strong\u003e deliberate choice of sight post width for sight picture, speed, and precision.\u003cbr\u003e\n✔ \u003cstrong\u003eComplete BUIS Set:\u003c\/strong\u003e simpler if you want to buy matching front and rear sights together directly.\u003cbr\u003e\n✔ \u003cstrong\u003eRed Dot Alone:\u003c\/strong\u003e faster and simpler in normal operation, but without mechanical backup.\u003cbr\u003e\u003cbr\u003e\nThis folding front sight is worthwhile if you specifically need the front component for an existing or planned ERATAC backup sight setup.\n\u003c\/div\u003e\n\n\u003ch2\u003eApplication Scenarios\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackup Sight:\u003c\/strong\u003e mechanical backup behind or next to an electronic main optic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSport Shooting \/ Range:\u003c\/strong\u003e training with open sights and redundancy to the optic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuty\/Law Enforcement Setups:\u003c\/strong\u003e mechanical backup on Picatinny weapon platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical Setup Check:\u003c\/strong\u003e verifying sight height, co-witness, and mechanical aiming reference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"tip-box\"\u003e\n\u003cstrong\u003ePractical Tip: Choose Sight Post Width According to Distance\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nA narrower sight post covers less of the target but can be slower to acquire. A wider sight post is faster to see but covers more of the target at a distance.\u003cbr\u003e\u003cbr\u003e\nChoose the sight post width not by optic, but by actual use: close-range and fast target acquisition or finer aiming at slightly longer distances.\n\u003c\/div\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Construction\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFolding Front Sight:\u003c\/strong\u003e front mechanical sight part; not fully usable without a rear sight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSight Post Width:\u003c\/strong\u003e 1.8 mm – affects target coverage and visibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFolding Mechanism:\u003c\/strong\u003e reduces overall height when not in use and protects the sight line in everyday use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElevation Adjustment:\u003c\/strong\u003e the sight post is continuously adjustable in height without tools, which facilitates zeroing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\/HK-Style:\u003c\/strong\u003e Standard – important for the sight picture, design, and optical classification of your setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ERATAC \/ Recknagel – mechanical backup sight for Picatinny systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder Number:\u003c\/strong\u003e T0542-0355 – unique identification of this version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e foldable Front Sight \/ Folding Front Sight – front part of a mechanical sighting system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSight Post Width:\u003c\/strong\u003e 1.8 mm – wider, faster to acquire and suitable for robust close-range\/operational logic, but covers more of the target at a distance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Base:\u003c\/strong\u003e Picatinny – requires a suitable rail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Standard – version of the front sight geometry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustment:\u003c\/strong\u003e Sight post height continuously adjustable without tools – important for zeroing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e ERATAC system with very flat folded design; compatibility with main optic should still be checked.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eScope of Delivery\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1x ERATAC Folding Front Sight 1.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"info-box\"\u003e\n\u003cstrong\u003eNot included:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nNo folding rear sight, no complete backup sight set, no optic, no weapon, and no Picatinny rail. For a complete mechanical sighting system, you need a suitable rear sight.\n\u003c\/div\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs this a complete backup sight set?\u003c\/summary\u003e\n\u003cp\u003eNo. This is only the folding front sight. For a complete mechanical sighting system, you also need a suitable folding rear sight.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat does sight post width mean in practice?\u003c\/summary\u003e\n\u003cp\u003e1.8 mm describes the visible width of the sight post. wider, faster to acquire and suitable for robust close-range\/operational logic, but covers more of the target at a distance\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes this folding front sight fit every weapon?\u003c\/summary\u003e\n\u003cp\u003eNo. It requires a suitable Picatinny rail and a sensible position in relation to the rear sight and the main optic.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes the mechanical sight need to be zeroed?\u003c\/summary\u003e\n\u003cp\u003eYes. After mounting, the sight must be zeroed with your weapon and ammunition. Just mounting it is not enough.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen is this folding front sight not useful?\u003c\/summary\u003e\n\u003cp\u003eIf you don't have a suitable rear sight, don't have a Picatinny rail, or work exclusively with an optic without a backup concept.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003e\u003cstrong\u003eConclusion:\u003c\/strong\u003e The ERATAC Folding Front Sight 1.8 mm is a clean front sight component for Picatinny backup sights. It is worthwhile if you consciously select the sight post width and design and truly zero the mechanical sight. As a single component without a rear sight, it is not a complete solution.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"ERATAC","offers":[{"title":"Standard","offer_id":56681786671452,"sku":"T0542-0355","price":182.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6089\/6860\/files\/ERATAC_Klappkorn_1_35mm_front_sight.jpg?v=1777376495","url":"https:\/\/black-raptor.de\/en\/products\/eratac-klappkorn-1-8mm-front-sight","provider":"Black Raptor","version":"1.0","type":"link"}