S&W 329 PD 44 mag ammo crimp jump

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I have a new 329. I have it for 'all day' carry at my cabin with black bears all around me. The gun is for protection only. I know all about it's light weight/recoil and it's effect on crimp jump using too hot of ammo. No problem with recoil as I hope I never have to use it other than to check out ammo or for protection. I need the light weight and I know there are compromises to make. I want to keep this gun and will not give up yet because of the following:
The owners manual that came with the gun said to try shooting 5 rounds of 44 mags and then inspect the 6th round for crimp jump. First, I tried Buffalo Bore 255 gr. keith (Lower Recoil item 4E). I experienced crimp jump on the 6th bullet. Next, I tried Federal 44 Rem. mag 300 gr. castcore. More crimp jump (S&W recommended this ammo). Now what? I can't take a chance this gun will jump up. I don't want to carry another handgun as a backup. I want to solve this problem, but I won't solve it using 44 Specials (there was no crimp jump with 44 specials). And I want solid bullets not hollow points. I hope someone reading this has found suitable ammo that doesn't crimp jump and can tell me what it is. I don't want this gun to jam up on me as I have read it does happen. I want to use the max ammo I can use, but I know I can't use the hot stuff. I have called and talked to Smith and Wesson and they tell me to keep trying different ammo. grrr! Please send me a personal email if you wish as I would appreciate it because as of now I need to get some faith in my 329 and I don't want to buy another gun. Thank you, Gary
 
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I reload so most of my issues are resolved. I think you could get a Lee crimp die and re-crimp the factory ammo to prevent "jumping"
 
Take the ammo you want to use to a reloader friend that has a roll crimp die and re crimp the ammo a little more than factory and do a retest. Only use just a little more than it came with. Garrets don,t jump crimp in my 329 as stated above. Works for me.
 
J-Frame (T.Johnson)
Thanks for the comments. Would you tell me what Garrett ammo you use that does not jump crimp in your 329(44 mags with solid cast bullet)? Thanks, Gary
 
Thanks for the comments. I'm going to check out Garrett Cartridges. Gary
 
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