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Brandon04GT

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  1. Thanks for the responses. I am thinking about trying a 9mm recoil spring, but would't that slow my slide down even more on the forward stroke?
  2. So I have an STI 2011 Tactical DS 5.0 in 9mm. It came from the factory with a 10lb recoil spring and 15lb mainspring. I had since changed the MS to a 17# and have been experimenting with different recoil springs. I had since tried a 12# (would barely cycle), 11# (shells would just dribble out the ejection port) and a 10# (so far has been the best one albeit the slide is still cycling slow) I had put about 600 rounds thru it before sending it back to STI for unrelated reasons which resulted in them refinishing the slide. A few days ago I put it 400 rounds thru it. Shells were ejecting 1-3' away and after a few hundred rounds, the slide really began to feel a bit slow. I am wondering what other spring combos I can try to increase performance while maintaining durability and reliability. Althought I was shooting Remington UMC and Blazer Brass 9mm which seems to be loaded on the lower side, I am setting this gun up for "HD/Duty" instead of gaming so I may also be shooting some stouter HD rounds. So far I am thinking of either: 1. Replace the mainspring with a 15# and hope I don't get light strikes. 2. Replace the mainspring with a 15# and go up to an 11# recoil spring to help with speed. 3. Keeping the existing 17# mainspring/10lb recoil spring combo and shooting it more to see if the gun breaks in further and smooths out. I'm guessing since I have a full rail version with a more meaty/heavier slide, that doesn't quite help either. Thanks
  3. Thanks for your response. I checked and with the bare upper attached to the stripped grip, it is binding in that area. The stock trigger slides in and out of that area freely. I there are no burrs or flash marks; that area of the upper is very smooth and uniform. It simply appears as though my bow is out of spec, but I have a hard time convincing myself that I just ended up with a defect trigger...
  4. So I have a new STI 2011 Tactical DS 5.0. It is my first 2011, but like all my other 1911's, I like to install short triggers because I have smaller hands and benefit from the shorter LOP. I purchased an STI 2011 short curved trigger and sanded down the trigger shoe until it dropped in and out of the grip freely. After I reassembled the entire gun, I quickly experienced problems. Not only was the trigger pull very heavy and mushy, but the trigger would also stick to the rear after each pull. I would have to manually pull the trigger forward. I disassembled the entire gun again and compared my new trigger with my stock one. I realized that it was sticking somewhere at the back. I then took it all apart and found where it is sticking. The rear of the grip's trigger bow track meets the upper and it is there that my new trigger is sticking. It appears that the back of my bow is way too wide and squeezes in the back of the upper whereas my stock one moves freely forward and back. I have attached a photo with red circles outlining where the each end of the back of the bow meets the upper. Anyone know how to fix this? The rear of the bow is too wide. Is there a proper way to squeeze it in or is my bow just out of spec? Thanks!
  5. Thanks for the responses, and yeah, I plan to set it up more for "HD/duty" use, so I want reliability. As I understand it, going too heavy may cause shells not to eject property and/or stress the barrel lugs too much, so there has to be a happy medium. I called STI and they said the gun ships with a 10# recoil spring and 15# mainspring. 15# mainspring sounds a bit light to me. I'm thinking about starting off with a 17# mainspring and a 12# recoil spring. Does that sound like a good starting point? and if that doesn't work out, go back down to a 10# recoil spring. Oh and one other question, generally speaking, assuming the same powder loads, if I'm going from 115gr to something heavy like 147gr hollowpoints, do you generally want a heavier or lighter recoil spring with heavier bullets? Thanks, Brandon
  6. So I just bought an STI 2011 Tactical DS 5.0 in 9mm. I want to make sure I am running the correct weight recoil spring as I really want to avoid frame battering. STI's website says that 5" 9mm guns run 10lbs, but it looks like they used to recommend 12lbs. Some quick web browsing seems to yield recommendations from 9-14lbs (but mostly 9-12lbs). I'm guessing erring on the side of going slightly heavier is better than slightly lighter to avoid frame battering. I plan to shoot 115gr RN factory-spec ammo, and perhaps some standard pressure 147gr hollow points just to test for reliability. What would be the best spring weight to start off with? 12? My gun is a full-rail so I'm guessing the slide is slightly heavier than standard, if that makes any difference?? My gun does not use the recoil-master setup... Thanks!
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