Grey Ghost Precision Cornerstone AR-15 Lower Receiver
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Grey Ghost Precision
Overview
The Grey Ghost Precision Cornerstone AR-15 Lower Receiver is a stripped lower made from durable 7075-T6 aluminum, ensuring a strong foundation for your build. With a hardcoat anodized finish in gray, this receiver not only provides resilience against wear but also adds a sleek look to your rifle. It features a standard trigger pin size of .154, making it compatible with a wide range of components. This lower is commonly utilized in builds featuring a carbine-length gas system and chambered in 5.56 NATO.
Specifications
Available Merchants(3)
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Build history on GunPartPicker
Builders on GunPartPicker first added the Grey Ghost Precision Cornerstone AR-15 Lower Receiver to a build in March 2026.
It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $104.88 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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