Springfield Extractors


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rjk2475
August 6, 2004, 07:14 PM
does anyone know when springfield began using MIM extractors? though mine is from the mid nineties and upgraded, i am curious due to possible purchase of an older ANIB mil spec. thank you ron

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1911Tuner
August 6, 2004, 11:22 PM
Howdy Ron,

Springfield doesn't use MIM extractors to the best of my knowledge...unless
they've found a way to hide the MIM sprue mark. The barstock extractors that they've been using for the past 2 years or so are a crapshoot. Poor
quality steel...incorrect heat-treatment...who knows. About one in 3 hold up. The others generally give up at around 500-1,000 rounds.

Seems like they did use cast extractors for a short period about 15 years ago, but I could be wrong. I ThINK I remember seeing a cast extractor in
one of the old Defenders...but my memory could be a little faulty.

rjk2475
August 7, 2004, 11:28 AM
thanks Tuner: so a mid nineties extractor should be ok?

1911Tuner
August 7, 2004, 11:56 AM
Ron asked:

So a mid nineties extractor should be ok?

Yep...Assuming that it's within spec and correctly tensioned.
If it's been consistent for a thousand rounds or so, it'll
likely be good for 50,000. Remove it for cleaning every so often, and clean the channel too. If the channel gets gunked up in the front, it can cause some issues with returning to battery. I normally detail-strip about every 2500 rounds for routine maintenance and cleaning. Check the extractor tension often and adjust if necessary.

rjk2475
August 7, 2004, 01:43 PM
Tuner said:

I normally detail-strip about every 2500 rounds for routine maintenance and cleaning. Check the extractor tension often and adjust if necessary.

is their an easily acquired manual for the above? at best, i'm marginal at 'smithing.

1911Tuner
August 7, 2004, 01:53 PM
Howdy Ron...Funny you should ask...

http://www.thehighroad.org/showthread.php?s=&threadid=56796

If you can put a model car together, you're over-qualified for the procedure.:cool:

Luck!

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