from loading experience
Recommend cannelured 'for 45 Colt' bullets; the Hornady 250g XTP-HP is a fine choice.
Experience with heavy 45 Colt loads using non-cannelured bullets intended for 45 ACP suggests movement under recoil impossible to alleviate without adhesives. Even numerous custom dies for sizing and neck expansion did not secure the bullet (230g Golden Saber was the original order).
Crimping over the shoulder didn't work (well, all these steps worked well enough at more modest power levels, but as stupid was approached all bets were off.....
Customer ended up getting them 250g XTP's instead (of all the other choices I tested).
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"all my ammo is mostly retired factory ammo"
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