Slug features an uncompressed outside diameter of the sabot specifically for modern rifled barrels at a land following .739". Slug is 0.650" in diameter. 1 oz lead. 12 gauge only. This is not loaded ammunition.
0.650" diameter slug
Uncompressed outside diameter of the sabot is specified for modern rifled barrels at a land-following 0.739"
Loading information may be found in the BPI Slug Loading Manual, product number 529162