Originally Posted by
Omega45
I have both conversions. I have not shot the Knight/Lehigh plug yet however when I first got it the vent liner appears different. Hard to examine though since it will not come out. Just my observations.

I do wonder what, if any differences there might be. I will try to get some information from Dave or even Gordy if I can get through to them...
Actually Ron, you as the consumer might email Knight and ask what might be up with the new product?