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Glk21C

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About Glk21C

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    Kent Island, MD
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    Artie Haglich

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  1. grams followers and springs are of his design from a long time ago(20+ years) taran followers are from when he purchased everything from Bolen and later when he imitated Grams follower design.
  2. Grams never made aluminum BP's. Those aluminum ones you have are something Dawson's made to copy Gram's design a long time ago, which he (dawson) had to stop making as it was an infringement on Gram's patent back then. So Dawson changed his design to what you see today.
  3. Idiot. Sorry, couldn't help it..
  4. Try doing a search, there are 100's of threads about 2011 magazines, you'll learn tons. Nothing needs tuning, it's whether or not they need to be fixed to bring them into proper specs. Good luck
  5. Back when I had a small frame Tanfoglio open gun(just a small three port comp, no barrel holes) I exclusively used aa5 for major loads. Worked great. It was the choice of many top shooters in the 90’s shooting this style of open gun. Today though with radically different open gun designs it does not work so well, like those v4 and v6 Tanfoglios, or 2011 with barrel holes and better comps. Minor loads for steel, better suited.
  6. Not sure where you are in WV but there is a dealer in WV who has been a sponsor at the Area 8 match the past few years. R.S.P Gun Shop, Falling Waters, WV. Nice guy. Good luck
  7. The design/how the barrel locks up of cz /tangs is such that the slide stop pin is designed to break. Using a hardened pin not a good idea
  8. No worries. If you need 9/38 let me know because I think I answered 40
  9. At least I think I did let some other thread somewhere
  10. However this thread originally started (caliber) I answered the question earlier in the Thread
  11. I've been looking for this text, found it, here it is: · You need to measure the inside of the tube between the control ribs. The ideal width between the control ribs is 0.815” for typ. Reloaded ammo, no narrower than 0.790”, no wider than 0.825” and keep tube square. Too narrow left to right and there is less capacity. Too wide left to right and the rounds can start to stack incorrectly and bind on each other. Squeezing a tube in a smooth face vise is doable, but if needing to squeeze it you have to go further than what is needed for the metal to take a new shape. Need to be very careful.
  12. Better check the internal width of that tube. That tti follower having a round slip past it is a precursor to it happening with other s&f combos
  13. http://www.trippresearchinc.com/t2-modular/ another pending entry into the open gun scene from one of the originators of the 2011.
  14. I've talked at length with Bevin about his BP's. He's called the mag master for a reason; he figured out a long time ago all the intricacies about the 2011 double stack mags and how to make them work reliably and with the extra capacity most want. It's critical the bottom of the tube is within spec (size) just like the middle of the tube and the top of the tube (feed lips). If the bottom of the tube is too wide, and you install the u-pin into the BP and it's really tough to push in the BP will inevitably crack when the mag hits the ground. That extra friction of the u-pin fit creates a lot more stress on the material he uses to make the BP's. If the u-pin slides in when the BP is on the tube just as easy as when the BP is off the tube, the tube is within spec. When fitting correctly the BP then acts more like a shock absorber when the mag hits the ground, taking the majority of the impact, putting less stress on the tube itself, keeping all those other dimensions about the tube within spec. Aluminum BP's, giving the impression of being stronger because they are metal don't absorb all that impact energy, instead transfers that energy through the tube, which will more negatively affect al those critical dimensions. Yes, he will replace cracked BP's, he's good that way, but when you contact him about it he will ask how the u-pin fit in the BP when on the tube.
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