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I was also wondering about snipping off coils. It would seem that taking off coils would defeat the purpose of having a heavier spring.
Since I only shoot 55gr or heavier bullets it shouldn't be a problem anyway.
I'm really looking forward to trying it out along with my newly installed ACE skeleton stock.
I THINK (cause I'm not an engineer, and have never stayed @ a Holiday Inn Express) that the reason one can get away with it is threefold.
1. It's a FLATWIRE CS spring, which is longer in length
than a conventional replacement round wire music spring.
2. Being flatwire, you can "pack" more spring in the
extension vs: the std. round wire music spring.
3. It's total compressed dimension is LESS that the total
compressed dimension of a round wire spring, and since
you have more compression with the Tubbs buffer spring,
it allows you to clip some off with no ill effects.
If anyone wants more info, or think what I've stated is incorrect, my suggestion is to call them directly. The 3-4 times I've called them, they've been extremely open to answering any questions I've had !!
I exclusively use the old 20 round AR mags with the alloy followers, and just yesterday recieved my first order of his CS replacement springs for those mags, so I'm anxious to get those installed, and field tested.
He also sells a "kit" which consists of one each CS extractor, and ejector spring. As I had no spare ejector spring in my spare parts bin, I went ahead and purchased this. What I find interesting is that his extractor spring doesn't use a rubber bumper insert. Matter of of fact, they say to use nothing else with their extractor spring (as in rubber bumper insert, "O" ring, or "D" ring} as they say it's not needed, and won't work properly with these add-ons installed.
I'll give a field report on the mag and extractor springs when I can catch a nice day, weather wise, for any that might be interested. I really like the thought of buying springs ONCE, and not have to be concerned with replacing them again !!
Hangtime.