{"product_id":"rock-river-arms-lar-15m-all-terrain-hunter-complete-upper-18in-223-wylde-stainless-m-lok-ar0598-v1","title":"Rock River Arms LAR-15M All Terrain Hunter Complete Upper 18in .223 Wylde Stainless, M-LOK AR0598.V1","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Rock River Arms LAR-15M All Terrain Hunter complete upper is built for shooters who want a durable, precision-focused AR-15 upper assembly. Chambered in .223 Wylde (compatible with both 5.56mm and .223), it features an 18-inch heavy match stainless steel barrel that is cryogenically treated and paired with a 1:8 twist for versatile bullet stabilization. A forged A4 upper receiver, low-profile gas block, and a 13-inch extended lightweight free-float M-LOK rail create a rigid, accessory-ready platform, while the RRA Operator muzzle brake (1\/2x28) helps manage recoil. This complete upper includes the bolt carrier group and charging handle assembly for a ready-to-install setup.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e.223 Wylde chamber supports both 5.56mm NATO and .223 Remington ammunition\u003c\/li\u003e\n  \u003cli\u003e18-inch heavy match stainless steel barrel, cryogenically treated for consistency\u003c\/li\u003e\n  \u003cli\u003e13-inch extended lightweight free-float rail with M-LOK compatibility for modular accessory mounting\u003c\/li\u003e\n  \u003cli\u003eRRA Operator muzzle brake with 1\/2x28 threads to help reduce recoil and muzzle rise\u003c\/li\u003e\n  \u003cli\u003eIncludes bolt carrier group and charging handle assembly for a true complete upper package\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Rock River Arms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e AR0598.V1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 842834101139\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel\/Series:\u003c\/strong\u003e LAR-15M All Terrain Hunter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber\/Chamber:\u003c\/strong\u003e .223 Wylde (for 5.56mm and .223)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUpper Receiver:\u003c\/strong\u003e Forged A4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 18 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Profile:\u003c\/strong\u003e Heavy Match\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Material\/Finish:\u003c\/strong\u003e Stainless Steel (cryogenically treated)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwist Rate:\u003c\/strong\u003e 1:8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block:\u003c\/strong\u003e Low profile\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHandguard:\u003c\/strong\u003e RRA 13 in extended lightweight free-float rail, M-LOK compatible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Device:\u003c\/strong\u003e RRA Operator muzzle brake\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Threads:\u003c\/strong\u003e 1\/2x28\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt carrier group and charging handle assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\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 products manufacturer.\u003c\/em\u003e\u003c\/p\u003e","brand":"Rock River Arms","offers":[{"title":"Default Title","offer_id":44078115127418,"sku":"FLX-157968","price":664.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/284769291.png?v=1767977473","url":"https:\/\/tlooutdoors.com\/products\/rock-river-arms-lar-15m-all-terrain-hunter-complete-upper-18in-223-wylde-stainless-m-lok-ar0598-v1","provider":"TLO Outdoors","version":"1.0","type":"link"}