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MEGA Arms AR15 Billet Ambi Lower Receiver - GTR-3S

Out of stock

FFL Required Before Shipping.

Please have your dealer email a copy of their FFL to [email protected] or fax it to 253-218-2998, referencing your name and order number.


Designed to aesthetically match MEGA forged upper receivers, the MEGA GTR-3S Ambidextrous Billet Lower Receiver comes stripped and ready for your next custom AR build. ZEV starts with high-quality 7075 T6 billet aluminum and machines them to exceed mil-spec dimensions held to ±.001" tolerances, giving you maximum compatibility with mil-spec and aftermarket parts and accessories.

The MEGA GTR-3S Ambidextrous Billet Lower Receiver offers superb
strength and versatility for building an AR-15 configured exactly the way
you want it.

MEGA Billet Lower Receiver features:

  • Machined from American Made 7075-T651 billet aluminum
  • Ambidextrous bolt release
  • Machined to exceed Mil-Spec requirements, with critical tooling
  • dimensions held within +/- .001”
  • True Black Class 2 Type 3 hard coat anodize
  • Generous flare cut to the magazine well for quick magazine changes
  • Nylon tipped tension screw for adjusting fitment to various uppers
  • "S" Model Billet Lowers are designed to aesthetically match better with
  • forged uppers
  • Weight: 9.2 oz
More Information
Manufacturer Mega Arms