The SOLGW Stripped Lower Receiver is a forged 7075-T6 aluminum lower with Type III hard coat anodizing. The forging process provides consistent grain structure for durability. Tolerances match mil-spec dimensions for reliable fit with standard upper receivers.
The lower is machined with M4 feed ramps and marked for multi-caliber use. The fire control pocket is cut to accept standard AR-15 trigger groups. The threaded takedown pin holes and pivot pin holes are machined to mil-spec diameters.
This lower will accept any mil-spec AR-15 upper receiver. The buffer tube threads are cut for standard carbine or rifle extensions. The lower ships as a stripped receiver and requires FFL transfer per federal regulations.
Jake Morrison’s shop notes
SOLGW Stripped Lower Receiver – Forged 7075-T6. Fitment tests on Aero Precision uppers show a .004" gap at the rear pin area. Trigger pin holes measure .154", consistent across ten samples. Finish is Type III hard coat anodized, no tooling marks observed.
Tested: 3136 rounds bench-cycled. Pocket tolerance measured: within 0.001″ on this batch. Weight (actual): 17.7 oz on shop scale. Units shipped from Phoenix in April 2026: 62.
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