I don' t think any filler was used in the carbine loads, just not compressed. I compress then use a dab of polyesther pillow filler, no wads in 50/70 Gov't carbine load. I only crimp if hunting, then minimum taper crimp to keep them from swallowing the bullet. Otherwise, finger seat in fired cases. If your lube is sticky enough the bullet won't go anywhere.
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rr2241tx
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