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

AR-15 Receiver Set

$232.75

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
SKU MEGA-AR15-LOWER-BIL-GTR-3S
Product Type AR-15 Receiver Set
Manufacturer Mega Arms
Option AR-15

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