I have no problems seating primers in my 30 '06 brass, HXP and other commercial brass. A friend gave me some ammo with BN 40 on the head stamp in stripper clips. What I've learned is that this is Frankford Arsenal ammo made in the early 50's & given to certain SE Asian & Carribean allies but diguised to hide their source. When seating primers in these shells they are difficult to impossible to seat properly. Some don't seat flat with the head, some are tilted. Any tips or solutions would be appreciated. I've included a scan of the head stamp.
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