Frank,
I used them for springs for my Pratt & Whitney rifling machines.  Darned 
helpful and knowledgeable.  Fun to work with too as he is into guns big 
time.

Mike

On 6/30/2015 8:28 PM, Frank O'Donnell wrote:
> Erik Levin muses:
>
>  > Making a spring is easy, and finding a commercially made spring to
> fit is often not a big deal.
>
> At one point I contemplated getting into spring-making, until I
> discovered this company a 15-minute drive from our home in the Los
> Angeles area:
>
> http://www.centuryspring.com/