I've been using the Kent Tungsten Matrix in my old SXS 20 for years. I's safe to use in the old guns and hits much harder than bismuth. At 10.8g/ cc the Tungsten Matrix is much closer to lead than bismuth 9.8g/ cc.

Music washes away the dust of everyday life
Some people wait a lifetime to meet their favorite hunting and shooting buddy. Mine calls me dad
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