Royal Grinding Machine
RGM (Royal Grinding Machine) in Greenville, Pa. was a M-16
(AR-15) contractor. When did the company close down?
Are the RGM AR-15's with USMC serial numbers collectable?
Thank you much,
Bill
(AR-15) contractor. When did the company close down?
Are the RGM AR-15's with USMC serial numbers collectable?
Thank you much,
Bill
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