04-11-2022, 09:18 PM
Both of my BCM and Geissele Stripped Upper receivers gauge out at .9960 They are both thermal fit. JP uppers are also thermal fit..
Mill spec is 1.000 + .002
Mill spec is 1.000 + .002
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Thermofit forged upper receivers
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Thermofit forged upper receivers - by Tx264 - 04-11-2022, 08:26 PM
Thermofit forged upper receivers - by montana - 04-11-2022, 09:18 PM
Thermofit forged upper receivers - by Zeneffect - 04-18-2022, 04:51 PM
Thermofit forged upper receivers - by SDW - 04-22-2022, 11:44 PM
Thermofit forged upper receivers - by Old Bob - 04-23-2022, 08:23 AM
Thermofit forged upper receivers - by SDW - 04-23-2022, 02:02 PM
Thermofit forged upper receivers - by biodsl - 04-23-2022, 03:35 PM
Thermofit forged upper receivers - by montana - 04-28-2022, 10:15 PM
Thermofit forged upper receivers - by DHD - 05-11-2022, 10:37 PM
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