will try that, Joe. off to walmart to find something else. you made me remember, I believe what I was shooting today was a box of 550 value pack federals that were failing to extract in my mkII last weekend. I thought it was the extractor, so I ordered a new one for it. now I think it could have beenthe ammo all along. if it is, it's the first trouble i've ever had out of federal .22's,and i've shot a LOT of those value packs.thanks.