{"product_id":"luth-ar-ar-15-complete-upper-assembly-24in-fluted-bull-barrel-223-rem-5-56-keymod-ftbl-b24","title":"Luth-AR AR-15 Complete Upper Assembly 24in Fluted Bull Barrel .223 Rem\/5.56 KeyMod FTBL-B24","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe Luth-AR FTBL-B24 complete upper assembly is built for precision-focused AR-15 builds, featuring a 24-inch fluted bull barrel in .223 caliber. The 416 stainless steel barrel uses a 1:9 twist rate and is mated to an A3 flattop upper receiver. This complete upper comes equipped with a bolt carrier group, charging handle, forward assist, and ejection port cover, and it is finished with a low-profile gas system and a 15-inch ergonomic Palm handguard with KeyMod slots and a Picatinny top rail for versatile accessory mounting.\u003c\/p\u003e\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e24-inch fluted bull barrel made from 416 stainless steel for rigidity and heat management\u003c\/li\u003e\n  \u003cli\u003e1:9 twist rate optimized for common .223 Remington projectile weights\u003c\/li\u003e\n  \u003cli\u003eComplete upper assembly includes bolt carrier group and charging handle for a ready-to-install build\u003c\/li\u003e\n  \u003cli\u003e15-inch vented Palm handguard with KeyMod slots and top Picatinny rail for accessory flexibility\u003c\/li\u003e\n  \u003cli\u003eA3 flattop upper receiver with forward assist and ejection port cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Luth-AR\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e FTBL-B24\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 812058030164\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e AR-15\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .223 Remington \/ 5.56 NATO (per distributor listing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 24 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Type:\u003c\/strong\u003e Bull, fluted, threaded\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Material:\u003c\/strong\u003e 416 stainless steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwist Rate:\u003c\/strong\u003e 1:9\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Thread Pitch:\u003c\/strong\u003e 1\/2x28\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Rifle length, low-profile\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Diameter:\u003c\/strong\u003e 0.936 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUpper Receiver Style:\u003c\/strong\u003e A3 flattop (assembled) with forward assist and ejection port cover\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHandguard:\u003c\/strong\u003e 15 in Palm handguard, vented, KeyMod with Picatinny top rail\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Components:\u003c\/strong\u003e Bolt carrier group; charging handle\u003c\/li\u003e\n\u003c\/ul\u003e\n\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":"Luth-AR","offers":[{"title":"Default Title","offer_id":44077424050298,"sku":"FLX-LUTHFTBL-B24","price":564.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/283689191.jpg?v=1767674933","url":"https:\/\/tlooutdoors.com\/products\/luth-ar-ar-15-complete-upper-assembly-24in-fluted-bull-barrel-223-rem-5-56-keymod-ftbl-b24","provider":"TLO Outdoors","version":"1.0","type":"link"}