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Anybody heard of these ? I guess there experimental,,but they take a .22 round and when there fired the barrel narrowes down to .20, .19 ,.17 cal... my question is what good is it ?..other than being a horse of a different color,,,



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Hey Gatekeeper, I looked but dosen't seem to be much on the net about any comparison tests on the swedge barrel. CPC did point out 2 reasons for a swedge barrel, (1) noise reduction when using subsonic CB Longs, (2) Increases velocity on Hyper ammo, and flatter shooting. CPC did point out it was experimental, and the buyer becomes the designer. Like you, I don't see any real proven advantage.

The only thing I've seen similar is the Mini-30 which has a .308" bore, but shoots .311" bullets.
 
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