AR forged receivers are 7075 aluminium I think. 7075 aluminium is generally considered to be un weldable by arc welding (tig). It stress and corrosion cracks
Type: Posts; User: nmcm
AR forged receivers are 7075 aluminium I think. 7075 aluminium is generally considered to be un weldable by arc welding (tig). It stress and corrosion cracks