(*Note: the K1 is a break action single shot...so it is amazingly short given the reduced action length.)
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I was just about to say something similar. For a given barrel length a break action (whether single, double, combination or drilling) makes for a significantly shorter OAL than a bolt action. I have a little drilling with 22" barrels, and a double with 23.6", and they are very handy. A falling block single shot is nearly as compact too, for a given barrel length.
I agree with those who say 20" is a good minimum for a .308. Much less than this and they get a bit blasty - really blasty at 16" I've found.
