We Thread Barrels using a Lathe and Single Point to ensure all threads will be concentric to the bore. Typical turn times upon receiving your barrel is 7-10 days +packing and shipping times. Threading time may be more or less time depending on work requested. Barrel Threading is not Guaranteed and may vary depending on the quality of your barrel and/or material. Any barrel to be cut MUST be marked prior to sending us the barrel. Send your Barrels to us at Mailing Address: USMG LLC P.O. Box 2191 Mesa, AZ 85214-2191