{"product_id":"daniel-defense-m4a1-fsp-complete-upper-receiver-14-5-5-56-nato-flat-dark-earth-23-004-09376","title":"Daniel Defense M4A1 FSP Complete Upper Receiver 14.5\" 5.56 NATO Flat Dark Earth 23-004-09376","description":"Daniel Defense M4A1 FSP Complete Upper Receiver Group - Flat Dark Earth\n\u003cp\u003eThe Daniel Defense M4A1 FSP Upper Receiver Group is a combat-ready, AR-15 style upper built for shooters who demand the performance and configuration of a USSOCOM SOPMOD Block II-inspired platform. Featuring a cold hammer-forged 14.5\" M4 profile chrome-lined barrel chambered in 5.56 NATO, a Mil-Spec F-Marked front sight base, and the iconic Daniel Defense M4A1 FSP Rail Interface System (RIS) II quad rail in Flat Dark Earth, this upper delivers accuracy and durability in a proven military-style package. A Surefire SF3P flash hider\/suppressor adapter is pinned and welded to the barrel for a legal 16\" overall length. The M16 profile bolt carrier group, A1.5 fixed rear sight, and included Rail Mounted QD Swivel Attachment Point round out this comprehensive upper assembly.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSOPMOD Block II Inspired Platform:\u003c\/strong\u003e The M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth provides maximum accessory mounting flexibility inspired by elite military configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCold Hammer-Forged Chrome-Lined Barrel:\u003c\/strong\u003e The 14.5\" M4 profile barrel is crafted from Chrome Moly Vanadium Steel with a 1:7 twist rate, chrome lining, and Mil-Spec phosphate coating for extended service life and reliable performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMil-Spec Bolt Carrier Group:\u003c\/strong\u003e The M16 profile BCG is Mil-Spec MP tested, chrome lined, and features a properly staked gas key for dependable cycling under demanding conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurefire SF3P Muzzle Device:\u003c\/strong\u003e The precision-machined Surefire SF3P flash hider\/suppressor adapter features a Black Ionbond DLC coating and is pinned and welded to the barrel, making it suppressor-ready.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Ready-to-Shoot Upper:\u003c\/strong\u003e Includes the A1.5 fixed rear sight, charging handle, Rail Mounted QD Swivel Attachment Point with QD swivel, and all mil-spec components for a drop-in upper assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Daniel Defense\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e M4A1 FSP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO \/ .223 Remington\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 14.5\" (Pinned and Welded to 16\" OAL)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 16 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Profile:\u003c\/strong\u003e M4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Material:\u003c\/strong\u003e 4140 Chrome Moly Vanadium Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Finish:\u003c\/strong\u003e Chrome Lined, Mil-Spec Phosphate Coated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Twist Rate:\u003c\/strong\u003e 1:7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Carbine Length, Direct Impingement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block:\u003c\/strong\u003e Mil-Spec F-Marked Front Sight Base, .750\" Diameter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Device:\u003c\/strong\u003e Surefire SF3P Flash Hider \/ Suppressor Adapter, Black Ionbond DLC Coating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Threads:\u003c\/strong\u003e 1\/2x24\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUpper Receiver:\u003c\/strong\u003e Mil-Spec, 7075-T6 Aluminum, CNC Machined, Indexing Marks, M4 Feed Ramps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHandguard:\u003c\/strong\u003e Daniel Defense M4A1 FSP RIS II Picatinny Quad Rail, 6061-T6 Aluminum, Type III Hard Coat Anodized FDE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHandguard Length:\u003c\/strong\u003e 14.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBolt Carrier Group:\u003c\/strong\u003e M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSights:\u003c\/strong\u003e A1.5 Fixed Rear Sight, 6061-T6 Aluminum, Type III Hard Coat Anodized\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III Hard Coat Anodized - Flat Dark Earth and Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.58 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagazine Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 818773021869\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 23-004-09376\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 product's manufacturer.\u003c\/em\u003e\u003c\/p\u003e\n]]\u0026gt;","brand":"Daniel Defense","offers":[{"title":"Default Title","offer_id":44134817923194,"sku":"FLX-DD23-004-09376","price":1619.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/308987471.jpg?v=1781061281","url":"https:\/\/tlooutdoors.com\/products\/daniel-defense-m4a1-fsp-complete-upper-receiver-14-5-5-56-nato-flat-dark-earth-23-004-09376","provider":"TLO Outdoors","version":"1.0","type":"link"}