{"product_id":"tm0p320","title":"[KM Planning] Tokyo Marui GBB P320 FULL SIZE TN Barrel [TM0P320]","description":"\u003cdiv class=\"main-contents\"\u003e\u003cform id=\"cms0002d02Form\" method=\"post\" action=\"https:\/\/cart.raku-uru.jp\/incart\"\u003e\n\u003cdiv class=\"main\"\u003e\n\u003cdiv id=\"item-detail\"\u003e\n\u003cdiv class=\"item-bottom\"\u003e\n\u003cdiv class=\"item-detail-txt1 wysiwyg-data\"\u003e\n\u003cdiv class=\"main-contents\"\u003e\n\u003cdiv class=\"main\"\u003e\n\u003cdiv id=\"item-detail\"\u003e\n\u003cdiv class=\"item-bottom\"\u003e\n\u003cdiv class=\"item-detail-txt1 wysiwyg-data\"\u003e\n\u003cdiv class=\"main-contents\"\u003e\n\u003cdiv class=\"main\"\u003e\n\u003cdiv id=\"item-detail\"\u003e\n\u003cdiv class=\"item-bottom\"\u003e\n\u003cdiv class=\"item-detail-txt1 wysiwyg-data\"\u003e\n\u003cdiv class=\"main-contents\"\u003e\n\u003cdiv class=\"main\"\u003e\n\u003cdiv id=\"item-detail\"\u003e\n\u003cdiv class=\"item-bottom\"\u003e\n\u003cdiv class=\"item-detail-txt1 wysiwyg-data\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"main-contents\"\u003e\n\u003cdiv class=\"main\"\u003e\n\u003cdiv id=\"item-detail\"\u003e\n\u003cdiv class=\"item-bottom\"\u003e\n\u003cdiv class=\"item-detail-txt1 wysiwyg-data\"\u003e\n\u003cdiv class=\"main-contents\"\u003e\n\u003cdiv class=\"main\"\u003e\n\u003cdiv id=\"item-detail\"\u003e\n\u003cdiv class=\"item-bottom\"\u003e\n\u003cdiv class=\"item-detail-txt1 wysiwyg-data\"\u003e\n\u003cspan\u003eKM Planning Tokyo Marui GBB P320 FULL SIZE TN Barrel [TM0P320]\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eHigh-precision TN inner barrel compatible with the Tokyo Marui Gas Blowback P320 FULL SIZE.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEmphasizes stability during firing, grouping, and trajectory straightness.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e▍Product Specifications\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eItem Content\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCompatible models Tokyo Marui GBB P320 FULL SIZE\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMaterial Brass\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eSurface treatment TN coating\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOverall length 106mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eOuter diameter 8.5mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eInner diameter 6.04mm\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e▍Product Development\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDeveloped and manufactured in Japan.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e▍What is a TN barrel?\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eKM's flagship product, the \"TN barrel,\" uses carefully selected brass material and\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eapplies a unique \"TN coating.\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThrough a unique manufacturing method that electrodeposits and adjusts the finish thickness of the coating within the hollow interior,\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ea barrel with an extremely small internal diameter error, based on an internal diameter of 6.04mm, is produced.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e▍History of the TN barrel\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe TN barrel is a long-selling series that has been continuously available since its launch in 1989.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIts stable quality and high dimensional accuracy, achieved through integrated domestic production, are highly regarded, and\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eit is widely supported by users ranging from competition-oriented individuals to those who prioritize practical use.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e▍HOP groove processing\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eProcessing the HOP groove requires extremely precise work.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMost general HOP groove processing is done by end milling using a lathe or similar equipment.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAlthough it takes more processing time and cost,\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ewe use an immersed electrical discharge machine to process each HOP groove individually.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e▍TN Coating\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTN coating is a special Teflon coating\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ethat combines various additives with a Teflon base.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIt has excellent friction resistance and sliding properties, and\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eits durability is stronger than typical electroplated coatings.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTN coating is resistant to dirt and easy to maintain, so\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eit does not require overly meticulous maintenance.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIf you periodically clean the inner barrel with a maintenance rod,\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eits performance can be maintained.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e▍Actual firing performance\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eStable muzzle velocity\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eImproved projectile grouping\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e▍Overall review\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe Tokyo Marui P320 FULL SIZE dedicated TN barrel [TM0P320] combines\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ehigh-precision inner diameter control, low-friction characteristics from TN coating, and\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHOP groove formation through electrical discharge machining.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/form\u003e\u003c\/div\u003e","brand":"KM企画","offers":[{"title":"Default Title","offer_id":47872706773251,"sku":"TM0P320","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0405\/1684\/5735\/files\/TM0P320_2.jpg?v=1774407210","url":"https:\/\/rock-et.jp\/en-itn\/products\/tm0p320","provider":"ROCK-et","version":"1.0","type":"link"}