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