Question reloading for 450 govt

[Blr243]

I will be , In a marlin Shooting fast loads 250 weight and some trailboss loads 500 weight ...in the past loading 357 pistol I have never had success crimping. Is this a skill I need in my new lever gun ? It may affect my choice of dies

[bigpete]

Buy some lee factory crimp dies

[bigrich]

i've used a LEE set as bigpete recomended, for a 357 mag marlin i had . it's not to hard to work out if you follow the directions . just don't over flare the case mouth, make sure the case length and COL are right . don't over crimp either, it can deform the case and upset feeding . hope this helps BLR .

cheers

[bigpete]

The factory crimp dies aren't the same as the normal roll crimp dies. Normal roll crimp dies are a pain in the arse

[TassieTiger]

Looking on YouTube - many don’t seem to bother crimping...

[bigrich]

Looking on YouTube - many don’t seem to bother crimping...

i would crimp mate. high recoiling calibers can move projectile COL during recoil while their in the magazine . it's not rocket science bud , it's just something new to learn

[bigrich]

The factory crimp dies aren't the same as the normal roll crimp dies. Normal roll crimp dies are a pain in the arse

i roll crimped my 357 marlin . with lil gun powder that thing was silly accurate . set up properly i didn't have any problems with the seating/roll crimp die . i got a factory crimp die coming for my 358 pete. i'll let you know how i go with it

[Blr243]

Thanks for the input. It was only another 28 bucks for the factory crimp die so I will get the original set and the factory crimp , and then I shall do a bit more research and experimentation

[boingk]

For what it's worth I didn't crimp my subsonic loads and they shot 0.87MOA out of the Marlin with 400gn Black Widows and 13gn Trailboss.

I'd crimp anything else though as the recoil may shift them a bit in the tube as mentioned above.

[TassieTiger]

I’ve locked in a 3 die Hornady set in 45/70...we shall take this train ride together BLR

[Blr243]

TT it’s cool to be going down the same path at the same time , and great to know there’s already some experienced 4570 loaders already here if we get in any tricky situations during load development or whatever

[Blr243]

Boingk , Is your accurate trailboss 400 grain load shootable Of the bench as is ,or more comfortable with a good recoil pad ?and as I have not shot completely Lead Projectiles for 15 years , can u recommend a lead remover for the bore ?

[bigpete]

You gotta try triple ball loads

[Blr243]

Never heard of triple ball loads before. The plot thickens

[boingk]

Boingk , Is your accurate trailboss 400 grain load shootable Of the bench as is ,or more comfortable with a good recoil pad ?and as I have not shot completely Lead Projectiles for 15 years , can u recommend a lead remover for the bore ?

Very shootable mate, no issues at all in terms of fatigue. A pad will help but isn't necessary IMO, especially this time of year if you're wearing a jumper or coat.

I haven't found any significant leading with the coated Widow projectiles however I haven't pushed them to any fantastic speeds. By far the majority of my shot loads so far have been the subsonics. What residue there has been I've removed with a simple brush followed by patching.

[Blr243]

Thanks boingk. I’ll keep an eye out for lead just in case