{"product_id":"da-vinci-custom-03-guren-2-m3-innerbarrel","title":"[da Vinci Custom] 03 Guren \"2\" Air Shotgun Inner Barrel for M3","description":"\u003cp\u003e*Please note that this is a special order item and will take approximately one month from the time of order until shipping. \u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0405\/1684\/5735\/files\/da-vinci-custom-03-guren-2-m3-innerbarrel_1.jpg?v=1768894007\" alt=\"\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e 03 Guren 2 inner barrel inner diameter 6.03mm\u003cbr\u003e Outer diameter 8.55mm\u003cbr\u003e HV500 coated (hardened, rust-proof, wear-resistant, and slip-resistant)\u003c\/p\u003e\n\n\u003cp\u003e This product is sold in units of one.\u003cbr\u003e By varying the inner barrels without replacing all three, it is possible to increase the value of the shotgun by intentionally scattering the trajectory of the bullets.\u003cbr\u003e Of course, it would also be fun to replace all three inner barrels, which gives you more flexibility in customization.\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eM3 Air Shotgun\u003c\/span\u003e \u003cspan\u003e297mm\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eThe second release in the Guren series, a low-priced inner barrel series featuring a tight 6.03mm inner diameter and HV500 coating that is highly resistant to wear and dirt while maintaining a beautiful surface!\u003c\/strong\u003e\u003cbr\u003e Guren \"2\" aims to produce a professional-use barrel using iron. \u003cbr\u003eThe material and coating used is the same \"HV500 Coat\" as the Guren 1.\u003cbr\u003e The muzzle has been upgraded from the \"chamfered\" finish of the Guren 1 to a \"tapered\" finish. The \"tapered\" finish efficiently expels air and converts it into energy that pushes the bullet forward, while creating a straightened airflow and improving accuracy.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eThe 6.03mm inner diameter is a tight barrel design that makes it easy to increase muzzle velocity.\u003c\/strong\u003e \u0026lt;br\u0026gt;The inner diameter is set to a tight 6.03mm, so you can expect to improve muzzle velocity just by replacing the barrel.\u003cbr\u003e This product is made of iron. Unlike stainless steel, due to tolerances, the tightest design limit is an inner diameter of 6.03 mm.\u003cbr\u003e If you set it any tighter, it will jam.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eGuren's inspection standards\u003c\/strong\u003e include three internal diameter inspection points: \"after polishing,\" \"before coating,\" and \"after coating.\" \u003cbr\u003eIn particular, we physically check to see if any burrs generated during processing have affected the inner diameter.\u003cbr\u003e The polishing is then checked again by the \"human eye\" of a select few craftsmen in charge of polishing.\u003cbr\u003e We put in time and effort to provide a thorough user experience.\u003cbr\u003e Regarding roughness of the inner and outer diameters due to the material, and patterns that occur during processing (cutter marks, blade marks, etc.) that do not affect use,\u003cbr\u003e After going through the above checks, the craftsman has given his permission, so please use it with confidence.\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003ca href=\"https:\/\/rock-et.jp\/pages\/da-vinci-custom-guren-1-2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0405\/1684\/5735\/files\/da-vinci-custom-guren-1-2_3.jpg?v=1766538958\" alt='The difference between Guren \"1\" and \"2\"'\u003e\u003c\/a\u003e\u003cbr\u003e \u003ca href=\"https:\/\/rock-et.jp\/pages\/da-vinci-technique\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0405\/1684\/5735\/files\/DaVinciCustom_technique.png?v=1766635487\" alt=\"Gentle craftsmanship for all\"\u003e\u003c\/a\u003e\u003cbr\u003e \u003ca href=\"https:\/\/rock-et.jp\/pages\/da-vinci-custom-hv500\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0405\/1684\/5735\/files\/DaVinciCustom__HV500.png?v=1766635488\" alt=\"What is HV500 Coat?\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"da Vinci Custom","offers":[{"title":"297mm (M3 Air Shotgun) *1","offer_id":47654720209155,"sku":"4580717523475","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0405\/1684\/5735\/files\/da-vinci-custom-03-guren-2-m3-innerbarrel.jpg?v=1768894007","url":"https:\/\/rock-et.jp\/en-us\/products\/da-vinci-custom-03-guren-2-m3-innerbarrel","provider":"ROCK-et","version":"1.0","type":"link"}