Quote:
Originally Posted by apilar
In fact you are correct! Lol the same thing happened to me! I have since left it looser than 'fully tight' and after 4 hours of pistol only game play it loosened a tiny bit but not enough to fall out or impede functionality and gas consumption is very good!
Haha I suppose I am very lucky!
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Most people just leave it loose, and it seems to work alright. However, you need to keep a close eye on that bolt, as I've seen it come loose on many builds that are left loose like this. Over time, if the bolt is allowed to back out too much, the hammer starts to strike it directly, which will leave an impression on the hammer, snap the hammer at its neck, or outright strip the threads in the blowback unit.
I managed to find a fix for it, but it requires re-working the inside of the slide at the rear and top-rear. This is where the fitment comes in. By doing this, I actually ended up getting better gas efficiency than just leaving the blowback units stock.
Sadly, there is no consistent fix for this - some are worse than others. The only consistency is that there is just an overall poor fitment of the blowback unit in the slide.