{"product_id":"rosco-manufacturing-bloodline-heavy-barrel-8-2in-300-aac-blackout-nitride-4150-cmv-bl-82-hb-300blk-7-p","title":"Rosco Manufacturing Bloodline Heavy Barrel 8.2in 300 AAC Blackout Nitride 4150 CMV BL-82-HB-300BLK-7-P","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cp\u003eThe Rosco Manufacturing Bloodline Heavy Barrel is built for compact AR-pattern builds chambered in 300 AAC Blackout, delivering a durable, suppressor-friendly setup in an 8.2 inch configuration. Made from 4150 chrome moly vanadium (CMV) steel with a nitride finish, this barrel is designed to provide strong wear resistance and consistent performance. A pistol-length gas system, 1:7 twist rate, and 5\/8x24 muzzle threads make it a great option for dialing in function with both subsonic and supersonic 300 BLK loads (depending on overall setup and ammunition).\u003c\/p\u003e\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBloodline series heavy-profile 300 AAC Blackout barrel optimized for compact pistol and short-barreled rifle builds\u003c\/li\u003e\n\u003cli\u003e4150 CMV steel construction with black nitride finish for excellent durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003e1:7 twist rate suited for common 300 BLK bullet weights and stabilizing heavier projectiles\u003c\/li\u003e\n\u003cli\u003ePistol-length gas system and .750 gas block journal for wide parts compatibility\u003c\/li\u003e\n\u003cli\u003e5\/8x24 threaded muzzle and 11-degree crown to support accuracy-focused builds and muzzle device selection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Rosco Manufacturing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\/Model:\u003c\/strong\u003e Bloodline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 300 AAC Blackout (300 BLK)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 8.2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Material:\u003c\/strong\u003e 4150 CMV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Profile:\u003c\/strong\u003e Heavy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Nitride (Black)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist Rate:\u003c\/strong\u003e 1:7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas System Length:\u003c\/strong\u003e Pistol\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Block Journal:\u003c\/strong\u003e .750\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuzzle Thread:\u003c\/strong\u003e 5\/8x24\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown:\u003c\/strong\u003e 11 Degree\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 181969500111\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e BL-82-HB-300BLK-7-P\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\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\/em\u003e\u003c\/p\u003e","brand":"ROSCO MANUFACTURING","offers":[{"title":"Default Title","offer_id":44098976284794,"sku":"FLX-179466","price":148.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/292862335.png?v=1771250421","url":"https:\/\/tlooutdoors.com\/products\/rosco-manufacturing-bloodline-heavy-barrel-8-2in-300-aac-blackout-nitride-4150-cmv-bl-82-hb-300blk-7-p","provider":"TLO Outdoors","version":"1.0","type":"link"}