NOT KNOWN DETAILS ABOUT KNIGHTS ARMAMENT SR-15 CQB 11.5 UPPER

The initial step will be to take a drilled barrel and hone the inside into a great, cleanse complete. The barrel is then placed on to a mandrel Together with the rifling sample ground in reduction throughout it. This set up is then positioned amongst opposing power hammers which accurately hammer the barrel on to the sample observed to the mandrel.