Originally Posted by pooldoc

All 3 of my Knight Disc Extremes/Elite have been converted to use the bare primer. My current bolts have to use the original adapter piece and I use the Lehigh Breech Plug with solid vent tube. I've just ordered the new bolt/plug conversion from Knight and I'll let you know how it performs. I don't fire as many rounds every year as many on the Forum do and so far I've not detected any issues with my present set up that would require a new vent liner/plug. You will enjoy the Elite; its very accurate and a nice handling gun.