Quote:
Originally Posted by Dean Romig
Generally they are from about 1" to about 1.5" and several keels are spaced along the rib.
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I have pulled apart a lot of Parker barrel sets and usually the fitted and dressed muzzle keel is around an inch and is a triangular wedge shape. The rearward spacers between the tubes (there are typically 3, give or take) can be solid blocks or be a few stacked up layers.