Not much you can do - get a refund! While it is unlikely that the screw will blow-out (BP pressures are a lot lower), it's still a possibility, and loc-tight or silver solder won't be strong enough to sustain pressures that may shear the threads, so he basicallyy ruined the barrel! Get your money back!
Guns Have Only Two Enemies-Rust and Politicians
"The United States Constitution (c) 1791 - All Rights Reserved"
If Guns Kill, Do Pencils Mis-spell Words?
Pain is Weakness Leaving the Body - USMC
"Qui desiderat pacem, praeparet bellum"
Last edited by RL357Mag; 09-08-2009 at 02:20 PM.