The M4E1 Lower Receiver delivers billet aesthetics in a forged package. It is machined from 7075-T6 aluminum and compatible with all mil-spec AR15 parts. It features an integrated trigger guard, upper tension screw, and an increased magwell flare to aid in quick and efficient magazine changes. Included is a nylon tipped tensioning set screw and threaded bolt catch pin. This model has a FDE cerakote finish. NOTE: Requires a lower parts kit, buffer & stock of your choosing to complete.

This firearm is legal in the state of California.

For out of State Purchasers:Please email FFL@RedstoneFirearms.com with your order number and your requested FFL's name, phone number or email address so that we can set up the shipping. Please be sure to make an outreach to your requested FFL and verify they will accept the firearm transfer.