{"product_id":"apar70020-p","title":"Aero M4e1 Assembled Upper","description":"\u003ch2 id=\"aero-precision-m4e1-threaded-assembled-upper-receiver\"\u003eAero Precision M4E1 Threaded Assembled Upper Receiver\u003c\/h2\u003e\n\u003ch3 id=\"features\"\u003eFeatures\u003c\/h3\u003e\n\u003cp\u003eThe Aero Precision M4E1 Threaded Assembled Upper Receiver stands out from standard mil-spec upper receivers with its angular machined design, giving it a unique billet look. This upper receiver is precision machined to work seamlessly with all mil-spec AR15 parts and includes the port door and forward assist pre-installed. The M4E1 Threaded Upper Receiver is designed to pair perfectly with the M4E1 Lower Receiver, offering a sleek and sturdy rifle configuration at an affordable price.\u003c\/p\u003e\n\u003ch3 id=\"specifications\"\u003eSpecifications\u003c\/h3\u003e\n\u003ch4 id=\"material-and-construction\"\u003eMaterial and Construction\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Forged from 7075-T6 Aluminum, providing durability and strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machining\u003c\/strong\u003e: Ensures a precise fit with all mil-spec AR15 parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 id=\"accessories\"\u003eAccessories\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Door and Forward Assist\u003c\/strong\u003e: Installed for ease of use and enhanced functionality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded Forward Assist Roll Pin\u003c\/strong\u003e: Ensures secure installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 id=\"aesthetic-features\"\u003eAesthetic Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Forging\u003c\/strong\u003e: Provides a \"billet look\" for a unique and modern appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePicatinny Profile\u003c\/strong\u003e: Blends seamlessly with Enhanced and ATLAS Series Handguards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM4 Feedramps\u003c\/strong\u003e: Optimized for reliable feeding and extraction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e.250 Takedown Pin Holes\u003c\/strong\u003e: Secure and precise attachment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaser Engraved T-marks\u003c\/strong\u003e: Enhances visibility and aesthetics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 id=\"design-and-compatibility\"\u003eDesign and Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe M4E1 Threaded Upper Receiver features a new angular machined design that enhances its billet appearance. It is compatible with most AR15 pattern barrel nuts and handguards, offering users a wide range of options when selecting a handguard. This upper receiver is ideal for those who want the most choices in handguards while maintaining a rigid and free-floating design.\u003c\/p\u003e\n\u003ch3 id=\"compliance\"\u003eCompliance\u003c\/h3\u003e\n\u003cp\u003eCompliance with NFA (National Firearms Act) regulations is crucial for legal ownership and transfer of regulated firearms and accessories. This ensures adherence to federal regulations, avoiding legal penalties and ensuring responsible firearm ownership.\u003c\/p\u003e\n\u003ch3 id=\"additional-information\"\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.245 oz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor Options\u003c\/strong\u003e: Black, FDE, Kodiak Brown, OD Green Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: APAR700201AC, APAR700202AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: APAR700201AC, APAR700202AC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 id=\"conclusion\"\u003eConclusion\u003c\/h3\u003e\n\u003cp\u003eThe Aero Precision M4E1 Threaded Assembled Upper Receiver is a robust and versatile option for any AR-15 build. Its precision machined design and compatibility with a wide range of parts make it an excellent choice for both experienced and novice shooters. With its unique billet look and enhanced features, this upper receiver offers a high-performance solution at an affordable price.\u003c\/p\u003e\n","brand":"Aero Precision","offers":[{"title":"Black","offer_id":44902636486875,"sku":"APAR700201AC","price":159.99,"currency_code":"USD","in_stock":false},{"title":"Flat dark earth","offer_id":45111185899739,"sku":"APAR700202AC","price":174.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/1072\/7131\/files\/179971322.webp?v=1738362180","url":"https:\/\/www.atcostammo.com\/products\/apar70020-p","provider":"AtCostAmmo.com","version":"1.0","type":"link"}