Revolver DA trigger pull
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Jerry Keefer
Rob Kovach
davekp
7 posters
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Revolver DA trigger pull
I have a model 14 that is giving some FTFs in double action. Using Federal primers. How low has anyone gone to get reliable function in double action?
davekp- Posts : 315
Join date : 2011-06-11
Re: Revolver DA trigger pull
What do the dents on the primers look like? Anything unusual?
Rob Kovach- Admin
- Posts : 2692
Join date : 2011-06-13
Age : 51
Location : Brooklyn, WI
Re: Revolver DA trigger pull
ShallowRob Kovach wrote:What do the dents on the primers look like? Anything unusual?
davekp- Posts : 315
Join date : 2011-06-11
Re: Revolver DA trigger pull
If you hit them again or go single action do they fire? I wonder if there is a timing problem that has the firing pin bouncing off the rim first?
Rob Kovach- Admin
- Posts : 2692
Join date : 2011-06-13
Age : 51
Location : Brooklyn, WI
Re: Revolver DA trigger pull
I haven't had a chance to try refiring them but I haven't had any issues single action. I'm quite sure I need more pressure on the mainspring from the strain screw, but I want to keep the DA pull as light as possible but still have reliable ignition. Thus my original question.Rob Kovach wrote:If you hit them again or go single action do they fire? I wonder if there is a timing problem that has the firing pin bouncing off the rim first?
davekp- Posts : 315
Join date : 2011-06-11
Re: Revolver DA trigger pull
Dave;davekp wrote:I have a model 14 that is giving some FTFs in double action. Using Federal primers. How low has anyone gone to get reliable function in double action?
There are numerous areas that effect S&W revolver ignition. Cylinder end play, Yoke end play, firing pin protrusion ( often a big issue ), firing pin shape, internal working clearances, mainspring alterations, etc.
You can get the pull down fairly low, but all the above, and more needs to be addressed..I use stock S&W mainsprings, and a 12 pound rebound for most BE revolvers...light mainsprings are usually a problem, sooner or later..
Jerry
Jerry Keefer- Posts : 1001
Join date : 2012-01-02
Location : Maidens, VA
Re: Revolver DA trigger pull
Thats is the biggest problem with DA revolver shooting. Fed primers are a must. I've tried various manufacturers for light rebound and main springs. Wolf, Miculek. Frankly, in my gun they didnt work or the trigger felt like cr#$p. I ended up CAREFULLY cutting a coil off the rebound spring, bending at the top the main spring of a standard S&W spring. The strain screw MUST be fully tightened. You might try filing the end of the strain screw, But not too much. Then polish all the contact surfaces inside the revolver itself. I doubt it will ever be a Ron Powers trigger but it will be 100% better
tenx9- Posts : 52
Join date : 2012-12-03
Re: Revolver DA trigger pull
I've found in my S&W ppc guns, that 7#'s with federal primers is 100%...
with Winchesters, FTF's quite often...
with Winchesters, FTF's quite often...
james r chapman- Admin
- Posts : 6362
Join date : 2012-01-31
Age : 75
Location : HELL, Michigan
Re: Revolver DA trigger pull
Surprisingly nobody has mentioned making sure that the primers are seated completely.
Jerry Goldfarb- Posts : 81
Join date : 2011-06-10
Age : 86
Location : South Florida
Re: Revolver DA trigger pull
Make sure the primers are seated completely.
Last edited by inthebeech on 2/27/2013, 7:21 am; edited 1 time in total (Reason for editing : sp)
inthebeech- Posts : 653
Join date : 2012-03-17
Age : 59
Location : Harleysville, Pennsylvania
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