80% Arms GST-9 80% Lower Receiver, Anodized

Description

The 80% Arms GST-9 Lower Receiver is a billet lower machined from 7075-T6 aluminum alloy. It is supplied in an 80% finished state, requiring final machining by the end user. The lower is treated with a Type III hard coat anodizing for corrosion resistance.

The GST-9 features an integrated magazine flare for improved reloading and an ambidextrous-ready design. Compatible with standard AR-15 upper receivers and most mil-spec parts kits. Requires a jig and tooling to complete the fire control pocket and selector holes.

This lower receiver ships directly to the customer with no FFL transfer required. It is sold as a non-firearm in compliance with ATF regulations regarding 80% receivers. The GST-9 is designed for experienced builders familiar with ATF guidelines.