{"product_id":"aero-precision-m4e1-enhanced-ar-15-upper-receiver-5-56-nato-7075-t6-aluminum-black-apar600201ac","title":"Aero Precision M4E1 Enhanced AR-15 Upper Receiver 5.56 NATO 7075-T6 Aluminum Black APAR600201AC","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cp\u003eThe Aero Precision M4E1 Enhanced Upper Receiver is built for AR-15 platform shooters who want a strong, precisely machined foundation for a custom rifle build. This one-piece design integrates the handguard mounting platform with the upper receiver for a clean, rigid setup. Machined from durable 7075-T6 aluminum and finished in black anodizing, it features M4 feedramps, .250 takedown pin holes, and support for barrels up to 1 inch in diameter. Included components consist of the barrel nut and wrench, port door, and forward assist, giving builders a solid starting point for a dependable 5.56x45mm NATO upper assembly.\u003c\/p\u003e\u003cp\u003ePlease note that this upper receiver is not compatible with piston kits. Additional components are required to complete the build, including a charging handle, barrel, handguard, gas block, muzzle device, gas tube, and bolt carrier group.\u003c\/p\u003e\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOne-piece M4E1 enhanced upper receiver design combines the receiver and handguard mounting platform for added rigidity.\u003c\/li\u003e\n\u003cli\u003eMachined from high-strength 7075-T6 aluminum for durability and long-term performance.\u003c\/li\u003e\n\u003cli\u003eIncludes barrel nut and wrench, port door, and forward assist for a more complete upper receiver setup.\u003c\/li\u003e\n\u003cli\u003eFeatures M4 feedramps and .250 takedown pin holes for AR-15 compatibility and reliable function.\u003c\/li\u003e\n\u003cli\u003eBlack anodized finish offers corrosion resistance and a clean tactical appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecs\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Aero Precision\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: APAR600201AC\u003c\/li\u003e\n\u003cli\u003eUPC: 815421022339\u003c\/li\u003e\n\u003cli\u003eProduct Type: Enhanced upper receiver\u003c\/li\u003e\n\u003cli\u003ePlatform: AR-15\u003c\/li\u003e\n\u003cli\u003eCaliber: 5.56x45mm NATO\u003c\/li\u003e\n\u003cli\u003eMaterial: 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003eFinish: Black anodized\u003c\/li\u003e\n\u003cli\u003eFeedramps: M4 feedramps\u003c\/li\u003e\n\u003cli\u003eTakedown Pin Hole Size: .250\u003c\/li\u003e\n\u003cli\u003eBarrel Support: Accepts barrels up to 1 inch in diameter\u003c\/li\u003e\n\u003cli\u003eIncluded Components: Barrel nut and wrench, port door, forward assist\u003c\/li\u003e\n\u003cli\u003eCompatibility Note: Not piston-kit compatible\u003c\/li\u003e\n\u003cli\u003eAdditional Parts Required: Charging handle, barrel, handguard, gas block, muzzle device, gas tube, and bolt carrier group\u003c\/li\u003e\n\u003c\/ul\u003e\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":"Aero Precision","offers":[{"title":"Default Title","offer_id":44199322124410,"sku":"FLX-100541","price":205.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/a816081928dc5fd6cecfe9d9d827fc3e.png?v=1788273588","url":"https:\/\/tlooutdoors.com\/products\/aero-precision-m4e1-enhanced-ar-15-upper-receiver-5-56-nato-7075-t6-aluminum-black-apar600201ac","provider":"TLO Outdoors","version":"1.0","type":"link"}