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View Full Version : WTK Rem 03A3 receiver matl and heat treatment?



strap hanger
11-22-2017, 12:13
Just curious. What was the steel spec and heat treatment method for Rem 03A3 receivers? The had/ have a reputation for a tough case that is difficult to drill and tap.

Just curious what they were made from, eg 4140, 4640, 8620 etc and what heat treatment was used.