{"title":"Rosco Manufacturing","description":"\u003cp\u003eRosco Manufacturing designs and manufactures rifle and pistol barrels for custom builds, with products tested by an R\u0026amp;D team of SWAT and law enforcement officers, special operations members and competitive shooters.\u003c\/p\u003e","products":[{"product_id":"rosco-556nato-300blk-bcg-phos-blk","title":"Rosco - 5.56 \/ 300 BLK Bolt Carrier Group, Phosphate\/Chrome","description":"\u003cp\u003eThe \u003cb\u003eRosco 5.56 \/ 300 BLK Bolt Carrier Group\u003c\/b\u003e is engineered to meet the demands of modern-day carbine shooters. Featuring a \u003cb\u003ePhosphate Coated\u003c\/b\u003e exterior and a \u003cb\u003eChrome Lined\u003c\/b\u003e gas key and bolt channel, this BCG is built for durability and performance. Designed in collaboration with Microbest, it ensures dependability for every use.\u003c\/p\u003e\u003cp\u003eThis bolt carrier group is \u003cb\u003eMIL Specification\u003c\/b\u003e compliant and includes a properly staked gas key for extended performance. It features a \u003cb\u003eShot Peened\/MP tested Matched bolt\u003c\/b\u003e with an upgraded extractor for extreme accuracy. The BCG is rated for full-auto fire, making it suitable for rigorous use by both consumers and military personnel.\u003c\/p\u003e\u003cp\u003eConstructed with high-quality materials, the carrier is made from \u003cb\u003e8620 Steel\u003c\/b\u003e, while the gas key is crafted from \u003cb\u003e4130 Steel\u003c\/b\u003e and secured with Grade 8 hardware. The cam pin is made from hardened \u003cb\u003e4340 Steel\u003c\/b\u003e, and the firing pin is \u003cb\u003e8740 Steel\u003c\/b\u003e, heat-treated, and hard chrome plated. The bolt material is \u003cb\u003eC158\u003c\/b\u003e, phosphate coated, and MPI\/HPT tested for reliability.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePhosphate Coated:\u003c\/b\u003e Durable exterior finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eChrome Lined:\u003c\/b\u003e Gas key and bolt channel for enhanced performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFull-Auto Rated:\u003c\/b\u003e Suitable for rigorous use\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProperly Staked Gas Key:\u003c\/b\u003e Ensures reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShot Peened\/MP Tested Bolt:\u003c\/b\u003e Matched for extreme accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUpgraded Extractor:\u003c\/b\u003e Enhanced locking with extensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarrier Material:\u003c\/b\u003e 8620 Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Key Material:\u003c\/b\u003e 4130 Steel with Grade 8 hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFiring Pin Material:\u003c\/b\u003e 8740 Steel, heat-treated, hard chrome plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtractor Material:\u003c\/b\u003e 4140 Steel, heat-treated, shot peened\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eColor:\u003c\/b\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Bolt Carrier Group\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSubCategory:\u003c\/b\u003e Bolts \u0026amp; Bolt Carrier Groups\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturers Part Number:\u003c\/b\u003e ROS-BCG-002\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProduct UPC:\u003c\/b\u003e 850039693113\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rosco Manufacturing","offers":[{"title":"Default Title","offer_id":47498875994201,"sku":"RSR-ROS-BCG-002","price":205.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9860\/2329\/files\/roscomanufacturing_RSR-ROS-BCG-002-1.jpg?v=1792330646"},{"product_id":"rosco-k9-barrel-hatchet-5-56-int-gas","title":"Rosco Manufacturing - K9 16″ Barrel \u0026 Hatchet 5.56 NATO","description":"\u003cp\u003eThe \u003cb\u003eRosco Manufacturing K9 16″ Barrel \u0026amp; Hatchet\u003c\/b\u003e in \u003cb\u003e5.56 NATO\u003c\/b\u003e is engineered for optimal performance in both suppressed and unsuppressed applications. Featuring an \u003cb\u003eintermediate length gas system\u003c\/b\u003e and an optimized gas port, this barrel ensures reliable operation under various conditions. The \u003cb\u003eK9 continuous taper\u003c\/b\u003e profile is designed to effectively dissipate heat during hard use, while the weight distribution towards the back of the barrel allows for better balance and handling when modern attachments are used.\u003c\/p\u003e\n\u003cp\u003eThis barrel incorporates an updated target crown from the Purebred series, enhancing harmonics, fit, and finish. It also serves as an HBAR for restrictive states, making it a versatile choice for various shooting needs. Notably, the barrel comes with an \u003cb\u003eintermediate length gas tube\u003c\/b\u003e, adding to its comprehensive design.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBarrel Length:\u003c\/b\u003e 16″\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBarrel Weight:\u003c\/b\u003e 34.5 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 416R stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCaliber:\u003c\/b\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProfile:\u003c\/b\u003e Continuous taper\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwist Rate:\u003c\/b\u003e 1\/7\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThread Pattern:\u003c\/b\u003e 1\/2 x 28\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Block Size:\u003c\/b\u003e 0.750\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas System Length:\u003c\/b\u003e Intermediate\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCrown:\u003c\/b\u003e Recessed target\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Nitride\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtension Finish:\u003c\/b\u003e Nitride\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eColor:\u003c\/b\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e K9\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturers Part Number:\u003c\/b\u003e K9-16-HY-556-7-I\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProduct UPC:\u003c\/b\u003e 850039693298\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSubCategory:\u003c\/b\u003e Rifle Barrels\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rosco Manufacturing","offers":[{"title":"Default Title","offer_id":47498876485721,"sku":"RSR-ROSK9-16-HY-556-7-I","price":230.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9860\/2329\/files\/roscomanufacturing_RSR-ROSK9-16-HY-556-7-I-1.jpg?v=1792330648"},{"product_id":"rosco-purebred-20-spr-223w-rifle","title":"Rosco Manufacturing - Purebred 20\" .223 Wylde SPR Barrel","description":"\u003cp\u003eThe \u003cb\u003eRosco Manufacturing Purebred 20\" .223 Wylde SPR Barrel\u003c\/b\u003e is designed for precision carbine shooters seeking optimal extended range performance. Whether you're building a longer version of the MK12 platform or upgrading your 20” carbine for DCM\/National Matches, this barrel delivers consistent results. Crafted from 416R stainless steel, each barrel is made from scratch in Rosco's Rhode Island facility, ensuring the highest quality and precision.\u003c\/p\u003e\u003cp\u003eThe Purebred series showcases Rosco's commitment to quality manufacturing, incorporating lessons learned from years of producing barrels for OEMs. This barrel is OPS Inc compatible and features a step crown for enhanced performance. With a 1\/7 twist rate and a rifle-length gas system, it is engineered to meet the demands of serious shooters.\u003c\/p\u003e\u003cp\u003eRosco Manufacturing maintains stringent quality standards, producing barrel blanks and extensions in-house. The 80 Grit Bead Blast finish and Nickel Boron barrel extension finish further enhance the durability and aesthetic of this premium barrel.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBarrel Length:\u003c\/b\u003e 20.0\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBarrel Weight:\u003c\/b\u003e 42 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 416R Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCaliber:\u003c\/b\u003e .223 Wylde\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProfile:\u003c\/b\u003e SPR\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwist Rate:\u003c\/b\u003e 1\/7\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThreading:\u003c\/b\u003e 1\/2 x 28\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Block Size:\u003c\/b\u003e 0.750\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas System Length:\u003c\/b\u003e Rifle\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCrown:\u003c\/b\u003e Step Crown\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e 80 Grit Bead Blast\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtension Finish:\u003c\/b\u003e Nickel Boron\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOPS Inc Compatible:\u003c\/b\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eColor:\u003c\/b\u003e Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e Purebred\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSubCategory:\u003c\/b\u003e Rifle Barrels\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Barrel\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rosco Manufacturing","offers":[{"title":"Default Title","offer_id":47498876747865,"sku":"RSR-ROSPB-20-SPR-223W-7-R","price":221.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9860\/2329\/files\/roscomanufacturing_RSR-ROSPB-20-SPR-223W-7-R-1.jpg?v=1792330661"}],"url":"https:\/\/mountainready.online\/collections\/rosco-manufacturing.oembed","provider":"mountainready.online","version":"1.0","type":"link"}