wanttolearn Posted October 16, 2013 Share Posted October 16, 2013 Does the heat involved in the silver soldering technique "hurt" the barrel? Does the drilling of a pin cause pressure to deviate the bore?thanks Link to comment Share on other sites More sharing options...
jjw Posted October 16, 2013 Share Posted October 16, 2013 Does the heat involved in the silver soldering technique "hurt" the barrel? Does the drilling of a pin cause pressure to deviate the bore? thanks none of it "hurts" a bbl use pinned and welded on a lot of guns including my 16" pin&weld lt wt 3 gun most accurate bbl i own go for it had 10 or so done ovrer the years. make sure u want that done as u will destroy the f/h-comp top get it off jjw Link to comment Share on other sites More sharing options...
wanttolearn Posted October 16, 2013 Author Share Posted October 16, 2013 thanks, the reason i ask is that i'm putting together a 14.5 in and so we have to either pin and weld or silver solder on the comp. I didn't know if one method was preferred over the other with respect to accuracy. Link to comment Share on other sites More sharing options...
grouse Posted October 16, 2013 Share Posted October 16, 2013 Does the heat involved in the silver soldering technique "hurt" the barrel? Does the drilling of a pin cause pressure to deviate the bore?[/size]thanks[/size]none of it "hurts" a bbluse pinned and welded on a lot of guns including my 16" pin&weld lt wt 3 gun most accurate bbl i own go for it had 10 or so done ovrer the years. make sure u want that done as u will destroy the f/h-comp top get it off jjw Does the heat involved in the silver soldering technique "hurt" the barrel? Does the drilling of a pin cause pressure to deviate the bore?[/size]thanks[/size]none of it "hurts" a bbluse pinned and welded on a lot of guns including my 16" pin&weld lt wt 3 gun most accurate bbl i own go for it had 10 or so done ovrer the years. make sure u want that done as u will destroy the f/h-comp top get it off jjw What barrel are you using? Link to comment Share on other sites More sharing options...
wanttolearn Posted October 17, 2013 Author Share Posted October 17, 2013 green mountain barrel Link to comment Share on other sites More sharing options...
jjw Posted October 17, 2013 Share Posted October 17, 2013 Does the heat involved in the silver soldering technique "hurt" the barrel? Does the drilling of a pin cause pressure to deviate the bore?[/size]thanks[/size]none of it "hurts" a bbluse pinned and welded on a lot of guns including my 16" pin&weld lt wt 3 gun most accurate bbl i own go for it had 10 or so done ovrer the years. make sure u want that done as u will destroy the f/h-comp top get it off jjw Does the heat involved in the silver soldering technique "hurt" the barrel? Does the drilling of a pin cause pressure to deviate the bore?[/size]thanks[/size]none of it "hurts" a bbluse pinned and welded on a lot of guns including my 16" pin&weld lt wt 3 gun most accurate bbl i own go for it had 10 or so done ovrer the years. make sure u want that done as u will destroy the f/h-comp top get it off jjw What barrel are you using? i ma a large yhn aNd dan def dealer so i sell them as they are the best at 2 price ponts. i am in the security busness mostly ovr seas and trg business where uncle suger want us. i carry 2 uppers 1. 11.5 with sure can by dan def lit wt A/P M4-S 2. same bbl @14.5 with sure connector. a.t.f. can go f--k them selfs. i work for d.o.s. with s&b 1x4 ffp for nite work. 3 gun bbls 11.5 just as above but with eotec 14.5 cut by adco pinned and welded for s/f connector by colt old skinny most accurate bang stick i own & eotec few of us shoot 3 gun i just do it for fun and field testing. due to kaboom 4 yrs ago not competitive. titanium rods and screws in back are not fast. L.O.L. rock castle had to pull out 2nd day. u CAN NOT LEGALLY silver solder unless atf rules changed & i missed it. u MUST PIN AND WELD. hence be sure or destroy f/f-connector on removal if u must. i am also a c-3 dealer in ohio hope this helps jjw Link to comment Share on other sites More sharing options...
wanttolearn Posted October 17, 2013 Author Share Posted October 17, 2013 thank you. that helps Link to comment Share on other sites More sharing options...
Mark Gale Posted October 17, 2013 Share Posted October 17, 2013 High temperature silver soldering is an ATF approved method for attaching a muzzle device and has been for many years. Practically it just ins't feasible. To do it correctly two sweat holes must be drilled 180 degrees apart at the mid point of the threads on the muzzle device. Without those holes, there is no way to draw the solder in sufficiently to make it permanent. 1100 degrees will draw back the heat treating on the barrel and muzzle device leaving them susceptible to premature wear (flash cutting). Link to comment Share on other sites More sharing options...
PursuitSS Posted October 17, 2013 Share Posted October 17, 2013 High temperature silver soldering is an ATF approved method for attaching a muzzle device and has been for many years. Practically it just ins't feasible. To do it correctly two sweat holes must be drilled 180 degrees apart at the mid point of the threads on the muzzle device. Without those holes, there is no way to draw the solder in sufficiently to make it permanent. 1100 degrees will draw back the heat treating on the barrel and muzzle device leaving them susceptible to premature wear (flash cutting). Brownells offers Silver Solder PASTE, it is powdered Silver Solder mixed with flux. It is an easy process, and properly done will not harm the barrel. Here is a GREAT Thread on AR15.com on the subject http://www.ar15.com/forums/t_3_4/407395_Perm_Attached_FH_with_1100_degree_silver_solder.html Link to comment Share on other sites More sharing options...
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