ARMAGEDON Posted December 21, 2016 Share Posted December 21, 2016 Hi there everyone. I recently changed from polymer to a Tanfo Stock II which i love. I bought a lot of parts and i also paid a gunsmith to polish the internal parts. He installed the 14lb hammer spring. Since he installed that spring i'm getting a lot of light strikes. I change my primers to Federal but i'm still getting light strikes specially with the double action. Someone told me to buy the extended firing pin from Henning and someone told me to cut 3 coils from the firing pin spring. I'm desperate. You may have alreay answered this question. I know i'm not the only one with this problem. Please help and thanks Link to comment Share on other sites More sharing options...
ryridesmotox Posted December 21, 2016 Share Posted December 21, 2016 (edited) Need to know the stuff you've done and you've had done to the gun. Buying a lot of parts isn't descriptive enough to answer anything very concretely. Edited December 21, 2016 by ryridesmotox Link to comment Share on other sites More sharing options...
bulm540 Posted December 21, 2016 Share Posted December 21, 2016 (edited) Yup. need to know your parts. Don't buy the extended Firing pin. I am using a polished Stock FP with a bolo disco , titan hammer and a 13 pound Wolff hammer spring with a decent polishing job and it has been 100% reliable with Feds 200, 100 and winchester primers. Will switch to a 13 pound PD hammer spring when I take the gun apart. Edited December 21, 2016 by bulm540 Link to comment Share on other sites More sharing options...
ryridesmotox Posted December 21, 2016 Share Posted December 21, 2016 (edited) Also, check out "A typical patriot defense optimized tanfo" thread. Lots of answers in there. But I'm willing to be you have a tight chamber/throat. A 14# spring should eat federal all day every day and twice on sunday Edited December 21, 2016 by ryridesmotox Link to comment Share on other sites More sharing options...
johnbu Posted December 21, 2016 Share Posted December 21, 2016 Armagedon, First.... welcome ! :) Next, take out the barrel and drop in a live round. Tap it hard with your finger several times. It should fall out when turned over. Repeat but try spinning tge round. Should spin easily. try a dozen random rounds, all should pass. If not, the ream needs to be done. if that passed, inspect your primers. (Do this anyway!) They should be 0.005 - 0.008" below flush as measured with caliper. Use the part that slides out, press the round up into it until the case is flush. Finally, read up on how to polish. buy a tool and do it yourself. No knock on the gunsmith, but to do it RIGHT takes a bit of time and I doubt you paid for that. If you did.... ouch. Last, contact Patriot Defense and buy a full set of springs especially the firing pin return spring. If you can't do the work yourself, don't panic. PM ARy or contact Joe at Patriot and they will do it RIGHT. Link to comment Share on other sites More sharing options...
ARMAGEDON Posted December 22, 2016 Author Share Posted December 22, 2016 Thanks guys. Wow what a rapid response. Amazing and thanks. This are the parts that are on my gun right now. Also i send the barrel to Grams Engineering so he can work the barrel. I'm waiting for the barrel to arrive: 1 x EGD Xtreme EAA / Tanfoglio Witness Titan Hammer by Eric Grauffel 1 x EGD Xtreme EAA / Tanfoglio Witness Guide Rod by Eric Grauffel (Length: Standard (3.8")) 1 x EAA / Tanfoglio Recoil Spring & Firing Pin Spring for Fullsize models by Wolff (Weight: 10lb - Fullsize) 1 x EAA / Tanfoglio Witness Trigger Spring (3.3) 1 x Xtreme EAA / Tanfoglio Witness Sear 1 x EAA / Tanfoglio Witness Reduced Weight Hammer Spring by Patriot Defense (Patriot Defense Hammer Spring: 14LB) 1 x EAA / Tanfoglio Witness Reduced Weight Hammer Spring by Patriot Defense (Patriot Defense Hammer Spring: 13LB) Link to comment Share on other sites More sharing options...
ARMAGEDON Posted December 22, 2016 Author Share Posted December 22, 2016 Today i bough the 1 x Henning Firing Pin for EAA / Tanfoglio Witness Large Frame DA/SA. Of course this item hasn't arrived yet. I have the original firing pin on my gun Link to comment Share on other sites More sharing options...
ARMAGEDON Posted December 22, 2016 Author Share Posted December 22, 2016 Sorry, i forgot to mention that i also have the BOLO installed. Practically the best part that i bought. I love the BOLO Link to comment Share on other sites More sharing options...
ARMAGEDON Posted December 22, 2016 Author Share Posted December 22, 2016 OMG. No problem. As soon it comes back i will return it. Where can i buy the PD firing pin spring and sear spring ? Ben Stoeger Pro Shop or Patriot Defense? Link to comment Share on other sites More sharing options...
ARMAGEDON Posted December 22, 2016 Author Share Posted December 22, 2016 Looking at the pictures from the 3 links i have everything except the: Tanfoglio Optimized Firing Pin Spring I have everything else installed and the safety block it was so polished it look like a mirror Link to comment Share on other sites More sharing options...
ryridesmotox Posted December 22, 2016 Share Posted December 22, 2016 (edited) The extended firing pin block is required with the one piece sear. Otherwise 4th block will not block the pin. The two piece sear interacts with the block differently. You need to send the barge into Bevin Grams to have it reamed. That will be the end of light strikes. Edited December 22, 2016 by ryridesmotox Link to comment Share on other sites More sharing options...
ryridesmotox Posted December 22, 2016 Share Posted December 22, 2016 19 minutes ago, ARy said: Are you sure you have the extended firing pin block? Just because it's polished doesn't mean it's the extended version. Link to comment Share on other sites More sharing options...
MemphisMechanic Posted December 22, 2016 Share Posted December 22, 2016 (edited) LEFT: Factory firing pin block which only works with the factory two-piece sear. RIGHT: The extended firing pin block (Xtreme) which only functions with the one-piece sear. There is approximately a .030" difference in height as measured here, if you're not sure which one you have: If your firing pin isn't clearing, you'll probably see peening on it here, like I did before I filed down the Xteme FPB until contact disappeared. The easiest way to see if the problem is the FPB is to take it out and go shoot the gun. Hopefully your light strikes disappear. My gun still had light strikes last time I shot it. I'll be removing in on my next trip to the range if they haven't disappeared. Edited December 22, 2016 by MemphisMechanic Link to comment Share on other sites More sharing options...
ARMAGEDON Posted December 22, 2016 Author Share Posted December 22, 2016 1 hour ago, ARy said: You need the Optimized firing pin spring. The one you're running is the length of an aircraft carrier, and the compression rate is garbage. Are you sure you have the extended firing pin block? Just because it's polished doesn't mean it's the extended version. Yes i have it. That is one of the first parts that my gunsmith other for me. It was a must. I have the original in the box where the gun came and the extended is installed. But the only part i'm missing is the Tanfoglio Optimized Firing Pin Spring which i ordered 30 minutes ago from PD. Also my barrel is in the hands of Bevem Grams since yesterday. Once the barrel is back and the Optimized Firing Pin Spring i will go back to the range. Thanks everyone Link to comment Share on other sites More sharing options...
emjei Posted December 22, 2016 Share Posted December 22, 2016 USE THE SEARCH Armagedon....lolBtw I know the OP ...hahaSent from my SAMSUNG-SM-G900A using Tapatalk Link to comment Share on other sites More sharing options...
oddjob Posted December 22, 2016 Share Posted December 22, 2016 When I got light hits it was my press. The primer seater on the 1050 backed off a tad. Link to comment Share on other sites More sharing options...
MemphisMechanic Posted December 22, 2016 Share Posted December 22, 2016 (edited) Impossible! The gun clearly needs more parts thrown at it! It can't be the ammo. More widgets is the answer! Ahem. If I had a dime for every time I diagnosed a poorly running diesel truck due to fuel contamination issues, after it's owner had thrown $3,000 worth of parts at the problem... Edited December 22, 2016 by MemphisMechanic Link to comment Share on other sites More sharing options...
oddjob Posted December 22, 2016 Share Posted December 22, 2016 Here's my goof ball fix..........I have an allen head wrench in the adjustment head. The "long" part on the "L" if you will. The Short leg of the "L" is pointing at the knob of the powder measure to a certain point marked with a permanent marker. I eye ball it before I load. Sounds stupid but it works. Link to comment Share on other sites More sharing options...
haiedras Posted December 22, 2016 Share Posted December 22, 2016 It ain't stoopid if it works. Link to comment Share on other sites More sharing options...
johnbu Posted December 22, 2016 Share Posted December 22, 2016 The HOLE the firing pin and the hole the block are in need to be smoothed out too. They often are rougher than a corncob. Link to comment Share on other sites More sharing options...
emjei Posted December 22, 2016 Share Posted December 22, 2016 the solution for light strikes will be the NEW PD Firing Pin !!!!!!!!!!!!!!!!!!! Link to comment Share on other sites More sharing options...
MemphisMechanic Posted December 22, 2016 Share Posted December 22, 2016 Along with the holes in the hammer and sear for their pivot pins. And the hole in the frame for the hammer spring. Going back in and hitting every pin and every hole meticulously took almost 1.0 / 0.5 lbs off my trigger pull weights. Which means more importantly that things moved more easily. Which means there's less force lost to friction when the hammer is sent forward to strike. That's what I was really after. Link to comment Share on other sites More sharing options...
insicnarf Posted January 5, 2017 Share Posted January 5, 2017 On 12/21/2016 at 4:10 PM, ARMAGEDON said: Thanks guys. Wow what a rapid response. Amazing and thanks. This are the parts that are on my gun right now. Also i send the barrel to Grams Engineering so he can work the barrel. I'm waiting for the barrel to arrive: 1 x EGD Xtreme EAA / Tanfoglio Witness Titan Hammer by Eric Grauffel 1 x EGD Xtreme EAA / Tanfoglio Witness Guide Rod by Eric Grauffel (Length: Standard (3.8")) 1 x EAA / Tanfoglio Recoil Spring & Firing Pin Spring for Fullsize models by Wolff (Weight: 10lb - Fullsize) 1 x EAA / Tanfoglio Witness Trigger Spring (3.3) 1 x Xtreme EAA / Tanfoglio Witness Sear 1 x EAA / Tanfoglio Witness Reduced Weight Hammer Spring by Patriot Defense (Patriot Defense Hammer Spring: 14LB) 1 x EAA / Tanfoglio Witness Reduced Weight Hammer Spring by Patriot Defense (Patriot Defense Hammer Spring: 13LB) Definitely use the OEM pin or the PD pin. This is what kept happening to mine when i had the Henning Gen III installed. Pin kept getting caught in the FPB and firing pin retainer kept falling off. With the help of ARy was able to get it up and running 100% again. Link to comment Share on other sites More sharing options...
ARMAGEDON Posted January 6, 2017 Author Share Posted January 6, 2017 (edited) Thanks. I recently bought the new extended firing pin from PD and the short spring from them. I was having way less light strikes with the 14lb hammer spring from PD but still having a few light strikes. Using reloaded ammo using Federal and Winchester primers. I just changed it to the 13lb from Wolff and finally is shooting a 100%. Even do is 13lb it hits harder than the 14lb from PD in my opinion. I'm no expert but that is my experience Edited January 6, 2017 by ARMAGEDON Link to comment Share on other sites More sharing options...
johnbu Posted January 6, 2017 Share Posted January 6, 2017 Odd. I have had 100% with PD 12 and 13 (two guns) running Wolf primers and now SB. But only ran 2-300 of the SB so far. Link to comment Share on other sites More sharing options...
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