Dennis @ Kineti-Tech.com....he does PayPal and currently has a 20% discount...just email him and setup the paypal I believe it's
[email protected] Also there may be a better discount coupon "kineti-tech"... He makes them in both 6" and 4.5" (gives the appearance of SBR)...they are threaded 1/2x28....use the build your own feature and custom design your front cap, middle, and tail cap.