Retro-correct A1 upper receiver with installed 9mm rear sight, port door, and authentic finish options.
The Liemohn Manufacturing A1 Upper Receiver is a faithful reproduction of the classic A1 profile — built for collectors, retro builders, and professional gunsmiths who demand precision and historical accuracy. Each receiver is machined to original A1 spec, fitted with a correct port door and 9MM rear sight assembly, and offered with your choice of retro finish options.
📞 Phone: (253) 632-5643
✉️ Email: machineguntom4@yahoo.com
Each receiver is inspected and test-fitted before shipment to ensure proper alignment and function.
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