New CZ 457 24" 1.180 Match Barrel from L3i

Noticed im also not able to extract live rounds

Have the 0.004 shim installed

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.
 
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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.
ordered a set of DPG talon extractors, will see how things go
 
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2 of your barrels in action today
 

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I have had 4 guys now get your barrels and replace their skinny ass CZ barrels All have improved a bunch by now going to open
Open is where it is at! The CZ is just so reliable, all it needed was a good heavy barrel to balance out a full sized chassis! Our new CZ chassis takes it the next level with a 2.4” wide fore-end for rock solid stability!