{"product_id":"eratac-swk-halter-mit-libelle-f-d36","title":"ERATAC SWK Mount with Bubble Level for D36","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 SWK holder with bubble level for D36 – Angle Cosine Indicator and Bubble Level Holder for precise distance setups\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIn steep terrain and at long distances, angle and cant are real hit errors.\u003c\/strong\u003e\u003cbr\u003e\nERATAC SWK holder with bubble level for D36 is an ERATAC holder or angle cosine indicator\/bubble level module for optics mounts and precise distance setups.\u003c\/p\u003e\n\n\u003cp\u003eAn ACI or a bubble level does not calculate and shoot for you. Angle information and weapon position must be correctly applied in ballistics, aiming point or turret adjustment. Variants and dimensions must match the existing rail, mount or platform: Standard version.\u003c\/p\u003e\n\n\u003cdiv class=\"info-box\"\u003e\n\u003cstrong\u003eImportant note for classification:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nAn ACI or a bubble level does not calculate and shoot for you. Angle information and weapon position must be correctly applied in ballistics, aiming point or turret adjustment.\u003cbr\u003e\u003cbr\u003eBefore purchasing, check: interface, mounting position, visibility when shouldered, compatibility with the existing ERATAC\/Picatinny base, tools and actual 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\u003eAngle control:\u003c\/strong\u003e helps with uphill or downhill shots where horizontal distance is crucial.\u003cbr\u003e\n✔ \u003cstrong\u003eBubble level:\u003c\/strong\u003e makes cant visible and reduces lateral deviation due to an unlevel weapon position.\u003cbr\u003e\n✔ \u003cstrong\u003eMounting-near system:\u003c\/strong\u003e sits close to the optics and is easier to control when shouldered.\u003cbr\u003e\n✔ \u003cstrong\u003eUNIVERSAL interface logic:\u003c\/strong\u003e fits compatible ERATAC mounts and accessory positions.\u003cbr\u003e\n✔ \u003cstrong\u003eDistance benefit:\u003c\/strong\u003e particularly relevant for long range, mountain hunting and steep shooting angles.\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy this product?\u003c\/h2\u003e\n\n\u003cp\u003eThis product solves a small but practically relevant interface problem. It is not a primary system, but a component that makes mounting, operation or control more reliable. The decisive factor is whether it is visible, accessible and compatible in your real setup.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eError prevention:\u003c\/strong\u003e reduces typical mounting or operating errors when used correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem integration:\u003c\/strong\u003e complements existing ERATAC\/Picatinny setups instead of replacing an entire platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReproducibility:\u003c\/strong\u003e helps to repeat settings and procedures more cleanly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePractical benefit:\u003c\/strong\u003e useful for users who not only mount equipment but also use it in a controlled manner.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"tip-box\"\u003e\n\u003cstrong\u003eInstructor's Tip: Small parts cause big errors if used incorrectly\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nBefore the first live use, check not only whether the part fits, but also whether you can actually use it when shouldered. A bubble level that is not visible, or a control element that is not accessible with gloves, offers no real advantage.\u003cbr\u003e\u003cbr\u003eAfter mounting, always check function, free movement and secure fit. Accessories on rails and mounts in particular can loosen due to recoil, transport or frequent handling if they were only tightened by feel.\n\u003c\/div\u003e\n\n\u003ch2\u003eOur assessment\u003c\/h2\u003e\n\n\u003cp\u003eERATAC SWK holder with bubble level for D36 is useful if you want to solve exactly this interface problem and compatibility has been clarified in advance. It is less useful if you expect a small accessory part to compensate for fundamental mounting, shooting or operating errors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUseful for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRange and precision setups with repeatable mounting work\u003c\/li\u003e\n\u003cli\u003eHunting weapons with deliberately built-up optics\/accessory logic\u003c\/li\u003e\n\u003cli\u003eWorkbench, mounting, zeroing and control shots\u003c\/li\u003e\n\u003cli\u003eUsers who do not want to ignore minor system errors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eLess useful for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUsers without a suitable interface\u003c\/li\u003e\n\u003cli\u003eSetups where the component is not visible or accessible when shouldered\u003c\/li\u003e\n\u003cli\u003eUsers who do not perform mounting and control properly\u003c\/li\u003e\n\u003cli\u003eCases where a different main system is actually required\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\u003eERATAC SWK holder with bubble level for D36:\u003c\/strong\u003e useful as a precise accessory for an existing setup.\u003cbr\u003e\n✔ \u003cstrong\u003eImprovised solution:\u003c\/strong\u003e cheaper, but often less reproducible and more prone to errors.\u003cbr\u003e\u003cbr\u003e\nThe product is worthwhile if it solves a real problem: aligning, displaying, attaching or operating. Without a suitable interface, it is the wrong part.\n\u003c\/div\u003e\n\n\u003ch2\u003eApplication scenarios\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorkbench \/ Mounting:\u003c\/strong\u003e clean alignment, checking and retrofitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e checking position, function or accessory position under real recoil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHunting:\u003c\/strong\u003e useful addition if operation and visibility are suitable when shouldered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Range:\u003c\/strong\u003e particularly relevant for angle, cant and mounting errors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"tip-box\"\u003e\n\u003cstrong\u003ePractical Tip: Do not infer compatibility from the name\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nERATAC parts sometimes look similar, but work with different interfaces. Check the SKU, height, diameter and interface – not just the product image or heading.\u003cbr\u003e\u003cbr\u003eFor accessories on optics mounts, also check that turrets, parallax wheel, illuminated reticle or magnification ring remain freely operable.\n\u003c\/div\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Construction\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSWK\/ACI:\u003c\/strong\u003e Angle Cosine Indicator for estimating the angle and the effective horizontal distance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBubble level:\u003c\/strong\u003e visible control against canting when shouldered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting position:\u003c\/strong\u003e must be positioned so that it remains readable when shouldered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePractical limit:\u003c\/strong\u003e the display does not replace ballistic data or clean shooting technique.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariant logic:\u003c\/strong\u003e Standard version.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Data\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e ERATAC \/ Recknagel – Accessories for mounting, sighting and weapon platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e SWK\/Bubble level holder – Special component for defined interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariants:\u003c\/strong\u003e Standard version – Selection must match the setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\/Item numbers:\u003c\/strong\u003e Standard: T0940-0001.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eScope of delivery\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1x ERATAC SWK holder with bubble level for D36 in the selected variant\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 weapon, no optics, no main mount, no torque wrench and no other accessories. Only list additional parts as included if they are explicitly part of the scope of delivery in the specific variant.\n\u003c\/div\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes the product fit every ERATAC mount?\u003c\/summary\u003e\n\u003cp\u003eNo. ERATAC uses different interfaces and series. Check the item number, diameter, height and interface of your mount.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDo I have to perform a function test after mounting?\u003c\/summary\u003e\n\u003cp\u003eYes. Accessories and safety-relevant parts must be checked for secure fit, free movement and function after mounting.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs this product equally useful for hunting and sport?\u003c\/summary\u003e\n\u003cp\u003eOnly if the function matches the setup. For hunting, quick operation and minimal disturbance are important, for sport often reproducibility and precise control.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan the product compensate for mounting errors?\u003c\/summary\u003e\n\u003cp\u003eNo. It can control or supplement, but it does not replace clean basic mounting, appropriate height and correct torques.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen is this product not useful?\u003c\/summary\u003e\n\u003cp\u003eIf the interface does not fit or you cannot access the benefit when shouldered. Then a different accessory or mount is the better choice.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003e\u003cstrong\u003eConclusion:\u003c\/strong\u003e ERATAC SWK holder with bubble level for D36 is a useful special part if interface, function and application truly match. It is not a universal panacea, but a precise component for cleanly built setups.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"ERATAC","offers":[{"title":"Standard","offer_id":56681789325660,"sku":"T0940-0001","price":103.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6089\/6860\/files\/image_21da1bc2-68b7-412e-a94e-f73842128a29.jpg?v=1777375675","url":"https:\/\/black-raptor.de\/en\/products\/eratac-swk-halter-mit-libelle-f-d36","provider":"Black Raptor","version":"1.0","type":"link"}