--- title: "AERO PRECISION M4E1 Threaded Complete 7.5\" 5.56 Upper Receiver" canonical_url: "https://www.kygunco.com/product/aero-precision-m4e1-threaded-complete-7.5-5.56-upper-receiver" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/134500/thumbnail.jpg?v=1727363743" "og:image:height": "500" "og:image:width": "500" "og:title": "AERO PRECISION M4E1 Threaded Complete 7.5\" 5.56 Upper Receiver" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Handgun & Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts) / [Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts) / [Upper Receivers](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/upper-receivers) / RPR-APAR700211M61 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/134500/main.jpg?v=1727363743) For illustration purposes only, this image may not be an exact representation of the product. # AERO PRECISION M4E1 Threaded Complete 7.5" 5.56 Upper Receiver $369.99 ** 5 interest-free payments of **$74** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) Pay over time with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Handled by our expert shippers in Bardstown, KY. Item # 134500 Style RPR-APAR700211M61 Condition New Manufacturer [Aero Precision](https://www.kygunco.com/brand/aero-precision) Caliber 5.56 NATO Weight 2 lb Action Semi-Auto ### [Aero Precision M4E1 Threaded 7.5" 5.56 SS QPQ w/ 1:7 Twist Complete Upper Receiver w/ ATLAS S-ONE Handguard (w/ BCG & Charging Handle)](https://aeroprecisionusa.com/m4e1-threaded-7pt5-556-ss-qpq-1pt7-twist-atlas-complete-bcg-charging-handle.html) This limited run special buy features HUGE savings on an M4E1 Threaded 7.5" 5.56 Stainless Steel QPQ Complete Upper Receiver with 7" KeyMod or M-LOK ATLAS S-ONE Handguard. Included is our popular 5.56 Phosphate Bolt Carrier Group and AR15 Standard Charging Handle, giving you an upper assembly that's ready to bolt on and hit the range out of the box! **Includes:** - M4E1 Threaded Assembled Upper Receiver - 7" ATLAS S-ONE KeyMod or M-LOK Handguard - 7.5" 5.56 NATO 416R Stainless Steel QPQ Barrel w/ 1:7 Twist - .750 Low Profile Gas Block and Pistol Length Gas Tube - AR15 A2 Birdcage Flash Hider - 5.56 Phosphate Bolt Carrier Group - AR15 Standard Charging Handle - Product comes assembled ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from Aero Precision ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/aero-precision-m4e1-threaded-complete-7.5-5.56-upper-receiver#webpage","@type":"WebPage","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"AERO PRECISION M4E1 Threaded Complete 7.5\" 5.56 Upper 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