The Firing Line Forums - View Single Post - Upper/Lower receivers

Quentin2 · February 8, 2013, 10:50 AM

Nice list, Slappy! Where'd you find it. I've seen older versions but not that.

To add, my Daniel Defense, BCM and PSA uppers all have the square mark indicating Brass Aluminum forge. I have seen other examples of the three that are Cerro - keyhole.

February 8, 2013, 10:50 AM	#19
Quentin2 Senior Member Join Date: June 18, 2009 Location: NorthWest USA Posts: 1,996	Nice list, Slappy! Where'd you find it. I've seen older versions but not that. To add, my Daniel Defense, BCM and PSA uppers all have the square mark indicating Brass Aluminum forge. I have seen other examples of the three that are Cerro - keyhole.