Aero Precision M4E1 Complete Build Set w/ 15″ Enhanced M-Lok, MOE Grip, SL Stock, matching Serpent’s Hide Cerakote

Original price was: $720.00.Current price is: $700.00.

Out of stock


The August edition of the Monthly Builder Set program is here. Featuring a Serpent’s Hide finish expertly applied by West Michigan Cerakote. This set features a drab finish with grey camouflage and netting patterns overlayed. This pattern incorporates both traditional stencil pattering with a more organic “rattle-can” look that when paired with Cerakote results in a great-looking finish that will last the long haul.

This builder set includes the finished pieces you need to assemble your own Serpent’s Hide Cerakote M4E1 Rifle. The set includes an M4E1 Enhanced Upper Receiver, M4E1 Lower Receiver and our Gen 2 Enhanced Handguard all with this exclusive finish. This finish is available one time only and in limited quantities, so get it while you can!


  • M4E1 Enhanced Upper Receiver finished in Serpent’s Hide Cerakote. Upper receiver is assembled and includes the forward assist, dust cover and barrel nut.
  • 15″ Enhanced Gen 2 M-LOK Handguard finished in Serpent’s Hide Cerakote
  • M4E1 Lower Receiver finished in Serpent’s Hide Cerakote
  • Magpul MOE SL Stock in Serpent’s Hide Cerakote finish
  • Magpul MOE Grip in Serpent’s Hide Cerakote finish
  • FREE A2 Flash Hider


Local Pickup: Customers that order FFL Items (firearms or other serialized items) and select “Local Pickup” as their delivery method will be required to complete a Form 4473 and background check prior to taking possession of their order.  All firearms or FFL Items that are purchased from Western Mountain Sports have Form 4473 and NICS checks included, there is no additional fee to complete this process. 

Shipping: Federal law requires this product to be transferred through a licensed FFL dealer. Western Mountain Sports requires a copy of the dealer’s FFL for verification and shipping. It’s the customer’s responsibility to notify the dealer of the order and to ensure their chosen FFL will accept the transfer. For more information, please see our Shipping & Local Pickup policy.


Additional information

Shipping to FFL Dealer Required





Serpent's Hide Cerakote


Gen 2 Enhanced 15"

Receiver Material

7075-T6 forged aluminum


5.56 NATO / .223, Multi


Multi Cal


Includes Magpul MOE Grip and SL Stock in Matching Cerakote