MEGA Arms AR-15 Billet GTR-3H Upper Receiver – MEGA-AR15-UPPER-BIL-GTR-3H

The MEGA GTR-3H Billet Upper Receiver comes stripped and ready for your next custom AR build. ZEV starts with high-quality 7075 T6 aluminum billet and machines them to exceed mil-spec dimensions and are held within ±.001″ tolerances, giving you maximum compatibility with mil-spec and aftermarket parts and accessories.

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

MEGA Billet Upper Receiver features:

• Machined from American Made 7075-T651 billet aluminum
• Machined to exceed Mil-Spec requirements, with critical tooling
• dimensions held within +/- .001”
• True Black Class 2 Type 3 hard coat anodize
• Compatible with all Mil-Spec parts kits
• M4 feed ramps cut standard
• Weight: 9.3 oz