I was using TiteGroup in my very mild 38 Short Colt ammo for use in steel matches. After 5 runs in a 627 the barrel and cylinder were too hot to touch for long. I switched to Vihtavouri N310 for a very mild, cool shooting steel load.

A shooting buddy blew up his brand new 627 8-shooter with a TiteGroup major power factor load. It happened during a match and we never found any of the pieces. He sent the gun to S&W and they said there were no discernable gun flaws. They also refused to sell him another 627 but did sell a 625 to him wholesale. All of us except the shooter believe he had a double charge.

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Bob.
SWCA 1821