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1/25/2018 7:38:29 AM
Posted: 3/21/2006 11:52:36 AM EST

Basically here is the difference...when you compress a 17/7 stainless steel magazine to solid height ( load 30 rounds ) it takes a set, and will continue to do so each time you reload and eventually will lose power or its load. A chrome silicon spring will take a set on the intial 30 rounds but not after that. It will maintain its load or power for an extended period of time.

Now here's the real question? How many cycles will it take to weaken either spring? Quite frankly, I don't know that answer. Probably 5-10,000 rounds before you might notice some difference. That's why we offer either spring for the same price. Also remember that leaving your magazine loaded does not weaken the spring, cycles do.

If you really want to enhance your rifle, you should change your action spring to chrome silicon, you will notice a big difference. Remember, cycles cause the weakening of a spring.
Hope this helps.

C Products

What is the difference between a chrome silicon spring from, say, Brownells and the ISMI chrome silicon spring, other than price?

MagPul is now offering them as part of an attractively priced rebuild package. Attractive ONLY if the ISMI springs are superior.

Does anyone use a chrome silicon buffer spring?

BTW, my research indicates that Wolff springs are neither; they are supposedly case hardened steel. Anyone know about SAW red springs?
Link Posted: 3/21/2006 2:09:31 PM EST
I believe the action spring Larry is talking about is the buffer spring. C Products sells those. There is a lengthy thread on springs started by C4Grant(?) in either the Uppers, Lowers,Etc. forum or the AR discussions forum. ISMI, CS and other springs are discussed there.

Link Posted: 3/21/2006 2:44:05 PM EST
Thanks. How much of that discussion maps over to magazine springs?
Link Posted: 3/21/2006 3:43:37 PM EST
Link Posted: 3/22/2006 9:30:45 AM EST
IIRC Wolff uses rocket wire for the spring steel.
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