Knight Rolling Block I bought one about 11/2 months ago
and I have to say It is with out a dought the most easyest ML that I have or have had in the past to clean and it will shoot anything with good ACCUR.
I bought mine to shoot Conicals out of and all I can say is WOW AWSOME I shoot 85gr 2fg loose 777 with a bullshop 460gr NEX also a 445gr U C short from BS.
I also shot some Saboted loads out of it with same Results WoW.
But I have some awsome shooting sabot guns in my 2 Knight Disc Extreme XT.