Mega Arms GTR-3S AMBI Billet Lower (AR-15)

Mega Arms GTR-3S AMBI Billet Lower (AR-15)


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Designed to aesthetically match forged upper receivers, the MEGAGTR-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.

Additional information

7075-T651 Billet, True Black Class 2, Type 3 Anodized
Machining Exceeds Mil-Spec Tolerances And Held Within +/-.001”
Integrated And Enlarged Trigger Guard
Generous Flare-Cut Magwell For Faster Magazine Insertion
Ambidextrous Bolt Release (Proprietary Parts Included)
Threaded Bolt Catch Eases Assembly/Disassembly
Nylon Tipped Tension Screw For Adjusting Upper/Lower Fitment
GTR-3S Lowers Are Designed To Aesthetically Match M4 Style Forged Uppers
Weight 0.875 lbs
Dimensions 10.25 × 5.25 × 3.375 in


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