I have a NULA in .223 with a 22" barrel that's weighs just under 6 pounds with a Leupold VX 3 2.5-8 with 6 cartridges and sling. It's scary accurate with any load too. Not sure how light you need but don't overlook NULA.

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Will Munny: It's a hell of a thing, killing a man. Take away all he's got and all he's ever gonna have.

The Schofield Kid: Yeah, well, I guess they had it coming.

Will Munny: We all got it coming, kid.