The question asked today is how do I know if I have a 5, 10, or 12 round magazine. First do not test for it by just jamming in bullets in tell they will no longer fit. The information going around right now about the 12 round Indian Ishapore is probably disabling many guns. As people try to check the magazine by putting in a full 12 rounds. So let us take a moment and explain gun springs. Springs come in two varieties one is an extension spring these are closely coiled so the coils touch. and the other is a compression spring so the coils are very far apart. Most gun springs are compression springs. In either case if an extension spring is pulled to far the coils will not return to their side by side position, and if a compression spring is pushed together to closely then the same thing will occur so the spring will brake or be crushed and you louse the use of the gun. Leaving a compression clip spring fully loaded for long periods of time would be counter productive as the spring will eventually louse its elasticity and not preform as well.
I discuss Ishapore magazine repair on this blog. Scroll down to post 6/8/12 Richard W Norman
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