Description
The San Tan Tactical STT-15 is a billet AR-15 lower receiver machined from 7075-T6 aluminum. It has a Type III hard coat anodized finish with a matte black surface treatment. Tolerances are held to ±0.005″ on critical dimensions.
This lower features an integrated AR-Gold trigger pocket for drop-in compatibility with aftermarket triggers. The oversized magwell flare accommodates faster magazine changes. All fire control group pin holes are CNC-machined to mil-spec spacing.
The STT-15 accepts standard AR-15 upper receivers and standard lower parts kits. It is compatible with carbine or rifle buffer systems. The threaded bolt catch roll pin hole accepts #4-40 hardware.
This is a serialized firearm component. It must ship to an FFL holder for transfer. No magazine or other accessories are included with the bare receiver.
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