Weight both the Sabot and the projectile, then add the two weights together for a total.
Using the total weight consult your reloading book, you would use a slightly faster burn powder than normally used for that weight id say, at a guess as there is next to no friction (compared to a copper jacketed projectile) from that delrin Sabot slipping down the bore.
Accuracy could be a bit hit or miss![]()
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