{"product_id":"rosco-manufacturing-bloodline-16in-5-56-nato-m4-profile-nitride-barrel-1-7-twist-bl-16-m4-556-7-c","title":"Rosco Manufacturing Bloodline 16in 5.56 NATO M4 Profile Nitride Barrel 1:7 Twist BL-16-M4-556-7-C","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eUpgrade your next build with the Rosco Manufacturing Bloodline 16\" M4-profile 5.56 NATO barrel, engineered to deliver balanced performance for modern carbine setups. Built from durable 4150 CMV steel and finished in nitride for enhanced wear and corrosion resistance, this barrel features properly sized gas ports to help optimize function and reduce premature wear commonly associated with over-gassed systems. A 1:7 twist rate supports a wide range of 5.56 NATO projectiles, while the carbine-length gas system and 1\/2x28 muzzle threads make it a versatile fit for many AR-pattern configurations.\u003c\/p\u003e\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16-inch Bloodline-series 5.56 NATO barrel designed for modern carbine performance and balance\u003c\/li\u003e\n\u003cli\u003e4150 CMV barrel steel for strength and longevity in demanding use\u003c\/li\u003e\n\u003cli\u003eNitride finish improves corrosion resistance and overall durability\u003c\/li\u003e\n\u003cli\u003e1:7 twist rate suited for many common 5.56 NATO bullet weights\u003c\/li\u003e\n\u003cli\u003eM4 profile with carbine-length gas system and 1\/2x28 muzzle threads for broad compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Rosco Manufacturing\u003c\/li\u003e\n\u003cli\u003eSeries\/Model: Bloodline\u003c\/li\u003e\n\u003cli\u003eBarrel Length: 16 in\u003c\/li\u003e\n\u003cli\u003eCaliber: 5.56 NATO\u003c\/li\u003e\n\u003cli\u003eProfile: M4\u003c\/li\u003e\n\u003cli\u003eTwist Rate: 1:7\u003c\/li\u003e\n\u003cli\u003eGas System Length: Carbine\u003c\/li\u003e\n\u003cli\u003eMuzzle Thread Pitch: 1\/2x28\u003c\/li\u003e\n\u003cli\u003eMaterial: 4150 CMV\u003c\/li\u003e\n\u003cli\u003eFinish: Nitride\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: BL-16-M4-556-7-C\u003c\/li\u003e\n\u003cli\u003eUPC: 181969500067\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ci\u003eDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product’s manufacturer.\u003c\/i\u003e\u003c\/p\u003e","brand":"Rosco Manufacturing","offers":[{"title":"Default Title","offer_id":44077408682106,"sku":"FLX-ROSBL-16-M4-556-7-C","price":158.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/283690069.jpg?v=1767673220","url":"https:\/\/tlooutdoors.com\/products\/rosco-manufacturing-bloodline-16in-5-56-nato-m4-profile-nitride-barrel-1-7-twist-bl-16-m4-556-7-c","provider":"TLO Outdoors","version":"1.0","type":"link"}