{"product_id":"eratac-swk-halter-m-libelle-d30u-d34","title":"ERATAC SWK Mount with Spirit Level D30 and D34","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 ACI Holder with Bubble Level D30 and D34 – Angle Cosine Indicator and Bubble Level Holder for precise distance setups\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIn steep terrain and over long distances, angle and cant can lead to real shooting errors.\u003c\/strong\u003e\u003cbr\u003e\nThe ERATAC ACI Holder with Bubble Level D30 and D34 is an ERATAC holder or angle cosine indicator\/bubble level module for optic mounts and precise distance setups.\u003c\/p\u003e\n\n\u003cp\u003eAn ACI or a bubble level does not calculate or shoot for you. Angle information and rifle position must be correctly implemented 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 or shoot for you. Angle information and rifle position must be correctly implemented in ballistics, aiming point, or turret adjustment.\u003cbr\u003e\u003cbr\u003eBefore purchasing, check: interface, mounting position, visibility when shouldering, 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 caused by tilted rifle position.\u003cbr\u003e\n✔ \u003cstrong\u003eMount-close system:\u003c\/strong\u003e sits close to the optic and is easier to control when shouldering.\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. It is crucial 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 if the part fits, but also if you can actually use it when shouldering. A bubble level that is not visible, or a control element that cannot be reached with gloves, offers no real advantage.\u003cbr\u003e\u003cbr\u003eAfter mounting, always check for function, freedom of movement, and secure fit. Accessories on rails and mounts can loosen with 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\u003eThe ERATAC ACI Holder with Bubble Level D30 and D34 is useful if you want to solve precisely 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 rifles with a consciously constructed optic\/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 shouldering\u003c\/li\u003e\n\u003cli\u003eUsers who do not perform mounting and control cleanly\u003c\/li\u003e\n\u003cli\u003eCases where another primary system is actually needed\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 ACI Holder with Bubble Level D30 and D34:\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: alignment, display, attachment, or operation. 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 control of 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 when shouldering are appropriate.\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 derive 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 of your mount – not just the product image or headline.\u003cbr\u003e\u003cbr\u003eFor accessories on optic mounts, additionally check whether turrets, parallax wheel, illumination unit, 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\u003eACI:\u003c\/strong\u003e Angle Cosine Indicator for estimating the angle and effective horizontal distance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBubble level:\u003c\/strong\u003e visible control against canting when shouldering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting position:\u003c\/strong\u003e must be placed so that it remains readable when shouldering.\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 ACI\/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: T0940-0000.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eScope of Delivery\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1x ERATAC ACI Holder with Bubble Level D30 and D34 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 include 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 this 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, freedom of movement, and function after mounting.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs this product equally suitable 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, while for sport, reproducibility and precise control are often key.\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 complement, but it does not replace proper basic mounting, appropriate height, or correct torque settings.\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 if you cannot utilize the benefit when shouldering. In that case, a different accessory or mount would be a better choice.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003e\u003cstrong\u003eConclusion:\u003c\/strong\u003e The ERATAC ACI Holder with Bubble Level D30 and D34 is a useful special part if the interface, function, and application truly match. It is not a panacea, but a precise component for cleanly built setups.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"ERATAC","offers":[{"title":"Standard","offer_id":56681789260124,"sku":"T0940-0000","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-m-libelle-d30u-d34","provider":"Black Raptor","version":"1.0","type":"link"}