{"product_id":"apar70022-p","title":"Aero M4e1 Assembled Upper","description":"\u003ch1 id=\"aero-precision-m4e1-enhanced-assembled-upper-receiver\"\u003eAero Precision M4E1 Enhanced Assembled Upper Receiver\u003c\/h1\u003e\n\u003ch2 id=\"features\"\u003eFeatures\u003c\/h2\u003e\n\u003cp\u003eThe Aero Precision M4E1 Enhanced Assembled Upper Receiver is a one-piece design that combines the handguard mounting platform with the upper receiver itself. This superior engineering ensures a more rigid and consistent design, eliminating the need for traditional barrel nut threads. The once-piece mounting system reduces the total number of components putting force on the barrel, providing a true free-float design. This upper receiver is compatible with most AR15 pattern barrel nuts and handguards on the market, offering a wide range of customization options. It is precision machined to work with all mil-spec AR15 parts and includes the port door and forward assist pre-installed.\u003c\/p\u003e\n\u003cp\u003eThe M4E1 Enhanced Upper Receiver is designed to pair perfectly with the new M4E1 Lower Receiver, offering a billet-like appearance at a fraction of the billet price. This upper receiver features a new angular machined design that enhances its aesthetics. The enhanced forging gives the upper receiver a \"billet look,\" which blends seamlessly with Aero Precision's Enhanced and ATLAS Series Handguards. Additionally, it includes M4 feedramps, .250 takedown pin holes, laser-engraved T-marks, and a threaded forward assist roll pin.\u003c\/p\u003e\n\u003ch3 id=\"specifications\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Forged from 7075-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Compatible with most AR15 pattern barrel nuts and handguards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandguard Attachment\u003c\/strong\u003e: Once-piece mounting system integrated into the upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign\u003c\/strong\u003e: Free-float design for increased consistency and accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Features\u003c\/strong\u003e:\u003cul\u003e\n\u003cli\u003ePort door and forward assist pre-installed\u003c\/li\u003e\n\u003cli\u003eIncludes threaded forward assist roll pin\u003c\/li\u003e\n\u003cli\u003eCompatible with Aero Precision AR15 Enhanced Handguards and Quantum Handguards (discontinued)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.245 oz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"additional-details\"\u003eAdditional Details\u003c\/h2\u003e\n\u003cp\u003eThe M4E1 Enhanced Upper Receiver is manufactured from custom forgings, providing billet-like aesthetics at a great price. This upper receiver is the best option if you want the most choices when selecting a handguard. It is compatible with Aero Precision's AR15 Enhanced Handguards and Quantum Handguards (discontinued), and these handguards are still compatible with threaded upper receivers when used with a BAR Barrel Nut. The enhanced forging gives the upper receiver a unique appearance that blends seamlessly with various handguards.\u003c\/p\u003e\n\u003ch2 id=\"conclusion\"\u003eConclusion\u003c\/h2\u003e\n\u003cp\u003eThe Aero Precision M4E1 Enhanced Assembled Upper Receiver offers a superior design that combines the handguard mounting platform with the upper receiver itself. This one-piece system ensures a more rigid and consistent design, making it an excellent choice for AR15 enthusiasts. With its compatibility with most AR15 pattern barrel nuts and handguards, it provides a wide range of customization options. Additionally, it is precision machined to work with all mil-spec AR15 parts and includes the port door and forward assist pre-installed. For those looking to upgrade their AR15, this upper receiver is an excellent choice.\u003c\/p\u003e\n","brand":"Aero Precision","offers":[{"title":"Brown","offer_id":44897797669083,"sku":"APAR700222AC","price":159.99,"currency_code":"USD","in_stock":false},{"title":"Kodiak Brown","offer_id":45825657110747,"sku":"APAR700220AC","price":159.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/1072\/7131\/files\/179915681.webp?v=1738361231","url":"https:\/\/www.atcostammo.com\/products\/apar70022-p","provider":"AtCostAmmo.com","version":"1.0","type":"link"}