{"product_id":"eratac-adapter-fur-harris-zweibein-mit-hebel","title":"ERATAC Adapter Set – T-Nut \/ Adapter \/ KeyMod","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 Adapter Set – T-Nut \/ Adapter \/ KeyMod – Adapters for Harris Bipods on ERATAC\/Picatinny\/KeyMod\/M-LOK Setups\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eA Harris bipod needs the right interface – otherwise, it may be attached, but it won't perform properly.\u003c\/strong\u003e\u003cbr\u003e\nThe ERATAC Adapter Set – T-Nut \/ Adapter \/ KeyMod is an ERATAC adapter for Harris bipods. Depending on the variant, it connects Harris bipods to Picatinny, KeyMod, M-LOK, or ERATAC-compatible mounting systems.\u003c\/p\u003e\n\n\u003cp\u003eImportant: This is not a universal bipod adapter for every bipod. The Harris logic, mounting type, T-nut, lever\/nut, and handguard interface must match the specific variant.\u003c\/p\u003e\n\n\u003cdiv class=\"info-box\"\u003e\n\u003cstrong\u003eImportant note for classification:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nBefore purchasing, check: Harris bipod model, existing attachment, Picatinny\/KeyMod\/M-LOK, lever or nut, mounting position on the handguard, barrel\/gas block clearance, and whether the weapon is stable with the bipod in position.\u003cbr\u003e\u003cbr\u003eVariants: Size: T-Nut, Adapter, Keymod.\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\u003eHarris interface logic:\u003c\/strong\u003e connects classic Harris bipods to modern rail or handguard systems.\u003cbr\u003e\n✔ \u003cstrong\u003eQuick-release lever \/ lever variant:\u003c\/strong\u003e Selection determines whether quick changes or permanent mounting are prioritized.\u003cbr\u003e\n✔ \u003cstrong\u003eLarge contact base:\u003c\/strong\u003e important because bipods introduce high leverage forces into the handguard.\u003cbr\u003e\n✔ \u003cstrong\u003eVariants for KeyMod\/M-LOK\/Picatinny:\u003c\/strong\u003e prevents incorrect adapter chains.\u003cbr\u003e\n✔ \u003cstrong\u003eMounting position on the forend:\u003c\/strong\u003e affects stability, vibration behavior, and balance.\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy this product?\u003c\/h2\u003e\n\n\u003cp\u003eThe adapter solves a real problem: many Harris bipods are proven, but modern weapons use different interfaces on the handguard. Instead of replacing a good bipod, a clean adapter can create the right connection – provided the variant fits.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinue using Harris:\u003c\/strong\u003e existing bipod can be used on more modern platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable forend mounting:\u003c\/strong\u003e less play than improvised sling swivel solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariants by interface:\u003c\/strong\u003e choose suitable for Picatinny, KeyMod, M-LOK, or T-nut logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision benefit:\u003c\/strong\u003e a stable bipod point facilitates reproducible shooting positions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"tip-box\"\u003e\n\u003cstrong\u003eInstructor's tip: Test bipod position before tightening\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nToo far forward often provides more stability but can worsen balance and transport. Too far back feels more compact but can become less stable. Test the position in a prone shooting stance, not just at the workbench.\u003cbr\u003e\u003cbr\u003eFor heavy barrels and suppressors, additionally check if the handguard touches the barrel or accessories under load. A bipod introduces forces into the system – it's more than just an accessory rail.\n\u003c\/div\u003e\n\n\u003ch2\u003eOur assessment\u003c\/h2\u003e\n\n\u003cp\u003eThe ERATAC Adapter Set – T-Nut \/ Adapter \/ KeyMod is useful if you want to use a Harris bipod cleanly on a compatible platform. It is less useful if you plan a different bipod system, an Arca solution, or a direct M-LOK\/Picatinny attachment without a Harris adapter.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSuitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHarris bipods on modern handguards\u003c\/li\u003e\n\u003cli\u003eLong-range and precision platforms\u003c\/li\u003e\n\u003cli\u003eRange and prone shooting training\u003c\/li\u003e\n\u003cli\u003eHunting field\/stand weapons requiring a bipod\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\u003eNon-Harris bipods with different connections\u003c\/li\u003e\n\u003cli\u003eArca setups without a Harris interface\u003c\/li\u003e\n\u003cli\u003eWeapons without a suitable handguard\/rail interface\u003c\/li\u003e\n\u003cli\u003eUsers who do not check bipod position and load\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 Adapter Set – T-Nut \/ Adapter \/ KeyMod:\u003c\/strong\u003e useful if a Harris bipod is to be attached to the chosen interface.\u003cbr\u003e\n✔ \u003cstrong\u003eDirect M-LOK\/Picatinny bipod:\u003c\/strong\u003e simpler if no Harris bipod is present yet.\u003cbr\u003e\u003cbr\u003e\nThe adapter is worthwhile if you deliberately integrate a Harris system. If you are building from scratch, a directly compatible bipod can sometimes be cleaner.\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 stable bipod attachment for reproducible prone shooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e making a Harris bipod usable across multiple weapons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHunting:\u003c\/strong\u003e field hunting or stand hunting with clean forend support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorkbench:\u003c\/strong\u003e interface conversion without improvised sling swivel adapters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"tip-box\"\u003e\n\u003cstrong\u003ePractical tip: Check tightness after the first shots\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\nBipod adapters experience more stress than many other accessories. After mounting and the first shots, check that screws, levers, and T-nuts are still seated cleanly.\u003cbr\u003e\u003cbr\u003eIf the bipod has lateral play or the adapter creaks, do not continue training; instead, check the interface, screws, and contact surface.\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 Adapter for Harris bipods – no bipod and no universal base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamping logic:\u003c\/strong\u003e Quick-release lever \/ lever variant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariants:\u003c\/strong\u003e Size: T-Nut, Adapter, Keymod.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad:\u003c\/strong\u003e Bipods generate leverage forces; a firm fit is more important than for many light accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimit:\u003c\/strong\u003e not suitable for bipods with a different interface without appropriate adapter logic.\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 Harris bipod adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariants:\u003c\/strong\u003e Size: T-Nut, Adapter, Keymod.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e T-Nut, Adapter, Keymod – determines the correct version, not just the appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\/item numbers:\u003c\/strong\u003e T-Nut: T4391-0013; Adapter: T4390-0013; Keymod: T4390-0007.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eScope of delivery\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1x ERATAC Adapter Set – T-Nut \/ Adapter \/ KeyMod in the chosen 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 Harris bipod, no weapon, no handguard, no Picatinny\/KeyMod\/M-LOK rail, and no other accessories. Mounting screws are only included as far as they belong to the variant.\n\u003c\/div\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes the adapter fit every Harris bipod?\u003c\/summary\u003e\n\u003cp\u003eOnly if the Harris bipod has the correct mounting logic. Check model and connection before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhich is better: lever or nut?\u003c\/summary\u003e\n\u003cp\u003eA lever is more practical for frequent changes. A nut is often more sensible if the bipod remains permanently mounted.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I use the adapter on M-LOK or KeyMod?\u003c\/summary\u003e\n\u003cp\u003eOnly in the corresponding variant. M-LOK, KeyMod, and Picatinny are different interfaces.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDo I have to test the bipod position?\u003c\/summary\u003e\n\u003cp\u003eYes. Position affects stability, balance, transport, and vibration behavior of the weapon.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen is this adapter not suitable?\u003c\/summary\u003e\n\u003cp\u003eIf you are not using a Harris bipod, planning an Arca system, or your platform does not have a suitable interface.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003e\u003cstrong\u003eConclusion:\u003c\/strong\u003e The ERATAC Adapter Set – T-Nut \/ Adapter \/ KeyMod is a clean solution if a Harris bipod is to be attached to a suitable modern interface. The variant, position, and firm fit under load are crucial.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"ERATAC","offers":[{"title":"T-slot nut","offer_id":56845672776028,"sku":"T4391-0013","price":217.4,"currency_code":"EUR","in_stock":true},{"title":"Adapter","offer_id":56845672808796,"sku":"T4390-0013","price":196.6,"currency_code":"EUR","in_stock":true},{"title":"Keymod","offer_id":56845672841564,"sku":"T4390-0007","price":72.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/6089\/6860\/files\/image_c3afd848-65d2-45ac-939e-720060283244.jpg?v=1777376329","url":"https:\/\/black-raptor.de\/en\/products\/eratac-adapter-fur-harris-zweibein-mit-hebel","provider":"Black Raptor","version":"1.0","type":"link"}