sources for op rod springs

cereal killer

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After checking some info on the norc M305 i came to the conclusion i should upgrade stock op rod spring to prevent #### from falling off.

Where can one go about obtaining a USGI op rod spring ?

Thanks
Eric
 
After checking some info on the norc M305 i came to the conclusion i should upgrade stock op rod spring to prevent #### from falling off.

Where can one go about obtaining a USGI op rod spring ?

Thanks
Eric


Brownells, you should also upgrade the spring guide aswell, this will prevent your balls from shriveling up...
 
Watch out for the Wolff ejector and extractor spring if you gut out your bolt and swap them; the chicom bolts can be finicky about those. My 2007 Norc M-14S' bolt won't go to battery on a round with Wolff springs in it !
 
After checking some info on the norc M305 i came to the conclusion i should upgrade stock op rod spring to prevent #### from falling off.

Where can one go about obtaining a USGI op rod spring ?

Thanks
Eric

In my experience, if you shoot a lot of 150gn, don't go to an overpower spring, just get the standard weight. The SAI spring Brownells sells is decent.
 
Watch out for the Wolff ejector and extractor spring if you gut out your bolt and swap them; the chicom bolts can be finicky about those. My 2007 Norc M-14S' bolt won't go to battery on a round with Wolff springs in it !

That is interesting, these same Wolff springs work fine in my 2010 Norc M305.

I wonder what the difference could be? Are you sure the ejector was not stuck in some way, or wedged somehow by the extractor during installation?
 
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