Yeah, with a true match chamber extracting live rounds is difficult. Also the true match chamber will have a harder bolt close. A lot of people expect our match chambers to behave like an MTR chamber however, an MTR does not have a true SAAMI 22LR match chamber. The tighter chamber with more bullet engraving provides more precision but it is a trade off with the stiffer bolt close and not being able to extract live rounds reliably.