{"product_id":"eratac-klemmring-m-universal-schnittstelle","title":"ERATAC Clamp Ring with Universal Interface","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 Clamp Ring with Universal Interface – Clamp Ring with Universal Interface for Optic Accessories\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eNot every rifle scope sits in a mount with an accessory interface.\u003c\/strong\u003e\u003cbr\u003e\nThe ERATAC Clamp Ring with Universal Interface is an ERATAC clamp ring with a universal interface. It is clamped directly to the appropriate tube or objective diameter of the optic to retrofit accessory interfaces such as levels, SWK (Side-Wind Compensation) or attachments.\u003c\/p\u003e\n\n\u003cp\u003eThis is not a mounting ring that attaches the rifle scope to the weapon. It is an additional clamp ring for accessories. The diameter must exactly match the optic, otherwise the clamping may not fit properly or may unnecessarily stress the optic.\u003c\/p\u003e\n\n\u003cdiv class=\"info-box\"\u003e\n\u003cstrong\u003eImportant note for classification:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nCheck before purchase: measured outside diameter on the optic, position on the main tube\/objective area, clearance to turrets and parallax wheel, required universal interface, screw length and whether accessory weight is appropriate at this point.\u003cbr\u003e\u003cbr\u003eVariants: Size: 62mm, 57mm, 56mm, 48mm, 36mm, 34mm, 30mm, 1\"\/26mm.\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\u003eClamp ring function:\u003c\/strong\u003e creates a universal interface without replacing the main mount.\u003cbr\u003e\n✔ \u003cstrong\u003eDiameter variants:\u003c\/strong\u003e 1\"\/26 mm up to large objective\/tube areas – exact measurement is mandatory.\u003cbr\u003e\n✔ \u003cstrong\u003eAccessory integration:\u003c\/strong\u003e useful for levels, SWK or small attachments close to the optic.\u003cbr\u003e\n✔ \u003cstrong\u003eRetrofit logic:\u003c\/strong\u003e helpful if existing mounts do not have an ERATAC universal interface.\u003cbr\u003e\n✔ \u003cstrong\u003eLimit:\u003c\/strong\u003e incorrect diameter or incorrect position can impede operation and stress the optic.\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy this product?\u003c\/h2\u003e\n\n\u003cp\u003eThe clamp ring exists for setups where accessories need to be attached to the optic, but the main mount does not offer a suitable interface. This can be useful for long range, mountain hunting or precision setups – but only if the ring fits exactly and does not collide with turrets or operating elements.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetrofit accessory interface:\u003c\/strong\u003e without having to change the entire rifle scope mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreely choose position:\u003c\/strong\u003e within the actual free spaces on the optic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor level\/SWK:\u003c\/strong\u003e accessories can sit close to the line of sight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariety of variants:\u003c\/strong\u003e allows selection according to the actual optic diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"tip-box\"\u003e\n\u003cstrong\u003eInstructor's tip: Measure outer diameter, don't guess nominal tube diameter\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nA 30mm main tube does not mean that every part of the rifle scope is 30mm. The objective bell, eyepiece area, and main tube have different diameters.\u003cbr\u003e\u003cbr\u003eMeasure precisely at the point where the clamp ring is to be positioned. Also check that magnification adjustment, parallax, illumination, or turret caps can still be operated freely afterwards.\n\u003c\/div\u003e\n\n\u003ch2\u003eOur assessment\u003c\/h2\u003e\n\n\u003cp\u003eThe ERATAC clamp ring with universal interface is useful if you want to retrofit accessories to an optic whose mount does not offer an interface. It is less useful if a new main mount with an integrated interface would be cleaner or if there is no free, suitable diameter on the optic.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUseful for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRifle scopes without an ERATAC mounting interface\u003c\/li\u003e\n\u003cli\u003eLong-range setups with level or SWK\u003c\/li\u003e\n\u003cli\u003eMountain hunting and steep shooting angles\u003c\/li\u003e\n\u003cli\u003eWorkbench setups where accessory positions are being tested\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\u003eOptics without a suitable free clamping range\u003c\/li\u003e\n\u003cli\u003eVery heavy attachments on the clamp ring\u003c\/li\u003e\n\u003cli\u003eUsers who do not precisely measure the outer diameter\u003c\/li\u003e\n\u003cli\u003eSetups where a mount with an integrated interface is better\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 Clamp Ring with Universal Interface:\u003c\/strong\u003e useful if accessories are to be retrofitted to the optic.\u003cbr\u003e\n✔ \u003cstrong\u003eERATAC Mount with Universal Interface:\u003c\/strong\u003e cleaner if you are planning a new rifle scope mount anyway.\u003cbr\u003e\u003cbr\u003e\nThe clamp ring is worthwhile if the diameter is correct and the position remains free. If measured incorrectly, it is a classic bad purchase.\n\u003c\/div\u003e\n\n\u003ch2\u003eApplication scenarios\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Range:\u003c\/strong\u003e Retrofit level or SWK close to the optic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHunting:\u003c\/strong\u003e Supplement angle\/position control without changing the main mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorkbench:\u003c\/strong\u003e Plan accessory positions on existing scopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Rifle:\u003c\/strong\u003e Create an additional interface without re-mounting the optic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"tip-box\"\u003e\n\u003cstrong\u003ePractical tip: Observe accessory weight and clamping tension\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nA clamp ring on a rifle scope is not the right place for every heavy accessory. The further out and heavier the component, the more leverage is created.\u003cbr\u003e\u003cbr\u003eTighten screws evenly and with appropriate torque. An accessory clamp ring must not strain the optic.\n\u003c\/div\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Construction\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Clamp ring for retrofitting an ERATAC universal interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e Size: 62mm, 57mm, 56mm, 48mm, 36mm, 34mm, 30mm, 1\"\/26mm – exact outer diameter on the optic is crucial.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting position:\u003c\/strong\u003e must be free of turrets, parallax wheel, illumination, and eyepiece\/objective movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePractical limit:\u003c\/strong\u003e no substitute for main mounting rings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories:\u003c\/strong\u003e for compatible ERATAC universal interface attachments.\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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Clamp ring with universal interface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariants:\u003c\/strong\u003e Size: 62mm, 57mm, 56mm, 48mm, 36mm, 34mm, 30mm, 1\"\/26mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 62mm, 57mm, 56mm, 48mm, 36mm, 34mm, 30mm, 1\"\/26mm – determines the suitable version, not just the optic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\/Item Numbers:\u003c\/strong\u003e 62mm: 03680-5762; 57mm: 03680-5757; 56mm: 03680-5756; 48mm: 03680-5748; 36mm: 03680-5736; 34mm: 03680-5734; 30mm: 03680-5730; 1\"\/26mm: 03680-5726.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eScope of Delivery\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1x ERATAC Clamp Ring with Universal Interface in 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 rifle scope mount, no rifle scope, no level, no SWK and no mounting plate. Accessories must be selected separately to match the universal interface.\n\u003c\/div\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs this a mounting ring for the rifle scope?\u003c\/summary\u003e\n\u003cp\u003eNo. The clamp ring does not support the main optic on the weapon. It serves to retrofit an accessory interface to the optic.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhich diameter should I choose?\u003c\/summary\u003e\n\u003cp\u003eThe actually measured outer diameter at the point where the clamp ring is to be placed – not generally the main tube diameter.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I mount heavy devices on it?\u003c\/summary\u003e\n\u003cp\u003eOnly very carefully. The clamp ring is primarily intended for accessories such as levels or SWKs. Heavy devices can increase leverage and stress.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes the clamp ring interfere with the operation of the optic?\u003c\/summary\u003e\n\u003cp\u003eThat depends on the position and the scope. Turrets, parallax wheel, illumination, and magnification ring must remain free.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen is the clamp ring not useful?\u003c\/summary\u003e\n\u003cp\u003eIf there is no suitable free clamping point or if a new mount with an integrated interface would be a cleaner solution.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003e\u003cstrong\u003eConclusion:\u003c\/strong\u003e The ERATAC clamp ring with universal interface is a useful retrofit part for precisely configured optical systems. Exact measurement, free operation, and reasonable accessory weight are crucial.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"ERATAC","offers":[{"title":"62mm","offer_id":56873997533532,"sku":"03680-5762","price":144.6,"currency_code":"EUR","in_stock":true},{"title":"57mm","offer_id":56873997566300,"sku":"03680-5757","price":144.6,"currency_code":"EUR","in_stock":true},{"title":"56mm","offer_id":56873997599068,"sku":"03680-5756","price":144.6,"currency_code":"EUR","in_stock":true},{"title":"48mm","offer_id":56873997631836,"sku":"03680-5748","price":144.6,"currency_code":"EUR","in_stock":true},{"title":"36mm","offer_id":56873997664604,"sku":"03680-5736","price":103.0,"currency_code":"EUR","in_stock":true},{"title":"34mm","offer_id":56873997697372,"sku":"03680-5734","price":103.0,"currency_code":"EUR","in_stock":true},{"title":"30mm","offer_id":56873997730140,"sku":"03680-5730","price":103.0,"currency_code":"EUR","in_stock":true},{"title":"1 inch\/26mm","offer_id":56873997762908,"sku":"03680-5726","price":103.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6089\/6860\/files\/ERATAC_Klemmringe_UNIVERSAL.jpg?v=1777375664","url":"https:\/\/black-raptor.de\/en\/products\/eratac-klemmring-m-universal-schnittstelle","provider":"Black Raptor","version":"1.0","type":"link"}