It is forged from 7075-T6 Aluminum, precision machined to work with all mil-spec AR15 parts and includes the … Aero Precision M4E1 Threaded Assembled Upper Receiver - FDE Cerakote. Our Special Edition: Freedom M4E1 Threaded Assembled Upper Receiver features a custom American Flag laser etching on the tang of the upper receiver. Shop Aero Precision M4E1 Threaded .223 Wylde Fluted Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver | Up to 15% Off 5 Star Rating on 5 Reviews for Aero Precision M4E1 Threaded .223 Wylde Fluted Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver Best Rated + Free Shipping over $49. Add to Cart. Aero M4E1 Threaded Complete Upper, 16" 5.56 Mid-Length Barrel, 15" M-LOK ATLAS S-ONE Handguard DUE TO HIGH ORDER VOLUME PLEASE ALLOW 2-3 ADDITIONAL BUSINESS DAYS TO PROCESS AND SHIP YOUR ORDER. MSRP: Was: Now: $4.99. MSRP: Was: Now: $39.99. $124.99 plus shipping” Cancel reply You must be logged in to post a review. Aero Precision. 1/16" Hex Key required for assembly. AERO Precision M4E1 16 inch 5.56 M4 Complete Upper at the Best Price Online in Stock, on Sale w/ FREE Shipping from Xtreme Guns and Ammo M4E1 Lower Receiver Improvements: Threaded Bolt Catch Roll Pin - Allows for simple installation of the bolt catch and virtually eliminates the chance to damage the finish during installation (pin included). Add to Cart. Aero Precision M4E1 Threaded 16" 5.56 M4 Complete Upper Receiver w/ ATLAS R-ONE Handguard - $479.99 (Free S/H over $99) $479.99 This complete upper includes our new ATLAS R-ONE Handguard! The M4E1 Threaded Assembled Upper Receiver is Aero Precision’s M4E1 Enhanced Upper with standard barrel threads up front so it can accept a standard AR-15 barrel nut and handguard attachment. Be the first to review “[parts] aero precision m4e1 assembled threaded upper in stock. AERO Precision M4E1 Threaded 16" 5.56 Pencil Complete Upper at the Best Price Online, on Sale w/ FREE Shipping from Xtreme Guns and Ammo Forged from 7075-T6 aluminum, this assembled upper is precision machined to work with all mil-spec AR15 parts and includes the port door and forward assist pre-installed. The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper … All IN STOCK UPPER PARTS; IN STOCK UPPER SMALL PARTS; IN STOCK GAS BLOCKS & TUBES; IN STOCK MUZZLE DEVICES; ... Aero Precision. The original M4E1 upper is configured for the proprietary attachment system Aero’s Gen 2 … Aero Precision. IN ADDITION, MOST SHIPPING CARRIERS ARE EXPERIENCING SLIGHT DELAYS. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. Barrel Nut Wrench ... DPMS Thread. M4E1 Enhanced Barrel Nut Wrench. Aero Precision Apar308554m45 Ar-15 Enhanced Upper With M-Lok 6.5 Creedmoor 20" 416 Stainless Steel Threaded Stainless Steel BRL Finish MSRP: Now: $580.23 ( 0 ) ratings No ratings have been submitted for this product yet. A.T.L.A.S.