Balance Rail Bushings

[Ron Nossaman]

>> What?  Bill was the first with a logical key re-bushing system...way 
>> before Bushmaster...he and Fern did conventions for years...
> 
> OK ,Then I say the Bushmaster long before Spurlock's.

I used something that worked exactly like the Bushmaster over 
30 years ago, and it was old then. I don't know who made it, 
or what it was called.
Ron N