450 Bolt

Talk about the AR15 style rifles chambered in 450 Bushmaster.

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450 Bolt

Postby cowboybart » Tue Feb 02, 2021 10:51 pm

Where can I find a 450 BM bolt?? Most places are OUT OF STOCK.
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Re: 450 Bolt

Postby Hoot » Wed Feb 03, 2021 9:24 am

I assume you already tried These Guys ?

The trick is Googling 458 Socom Bolt

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Re: 450 Bolt

Postby s4s4u » Wed Feb 03, 2021 10:30 am

Hoot wrote:I assume you already tried These Guys ?

The trick is Googling 458 Socom Bolt

Hoot


Do those "work" 100%? I see a lot of banter about certain bolts that work and don't in the 450.
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Re: 450 Bolt

Postby Hoot » Wed Feb 03, 2021 11:55 am

s4s4u wrote:
Hoot wrote:I assume you already tried These Guys ?

The trick is Googling 458 Socom Bolt

Hoot


Do those "work" 100%? I see a lot of banter about certain bolts that work and don't in the 450.


I've seen talk about the early adopted .458 SOCOM bolts being a little different from one manufacturer to the next but that was a long time back. The current spec for both shows rim diameters of .473. I know that my 450b bolt works fine with .308 rims. IIRC, Tony from TROMiX weighed in on this several times. SAAMI actually lists .473 +0 /-.010 as the acceptable rim diameter range for the 450b. I've found 450b brass as little as .468 and they cycled fine in my .473 bolt.

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Re: 450 Bolt

Postby Al in Mi » Wed Feb 03, 2021 12:11 pm

I'm running the Leigh Defense 458 bolts with no issues.
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Re: 450 Bolt

Postby s4s4u » Wed Feb 03, 2021 1:22 pm

Hoot wrote:
s4s4u wrote:
Hoot wrote:I assume you already tried These Guys ?

The trick is Googling 458 Socom Bolt

Hoot


Do those "work" 100%? I see a lot of banter about certain bolts that work and don't in the 450.


I've seen talk about the early adopted .458 SOCOM bolts being a little different from one manufacturer to the next but that was a long time back. The current spec for both shows rim diameters of .473. I know that my 450b bolt works fine with .308 rims. IIRC, Tony from TROMiX weighed in on this several times. SAAMI actually lists .473 +0 /-.010 as the acceptable rim diameter range for the 450b. I've found 450b brass as little as .468 and they cycled fine in my .473 bolt.

Hoot


I understand about size, but Tony from Tromix has had much to say about the shape of the bolt face and the way they are cut and that some will not feed correctly. He guarantees his bolt will work. I don't see that guarantee from many others and I have read many stories about guns not feeding with brand A and after switching to a Tromix bolt all is well. The BCG is the only part I haven't sourced and I would hate to drop $60 bucks on something that wouldn't run, y'know? There should be a "sticky" thread on bolts that work and those that didn't.
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Re: 450 Bolt

Postby Hoot » Wed Feb 03, 2021 10:42 pm

s4s4u wrote:...snip...There should be a "sticky" thread on bolts that work and those that didn't.


Done, good idea!

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Re: 450 Bolt

Postby s4s4u » Thu Feb 04, 2021 10:10 am

Hoot wrote:
s4s4u wrote:...snip...There should be a "sticky" thread on bolts that work and those that didn't.


Done, good idea!

Hoot


Well done, Sir!
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Re: 450 Bolt

Postby cowboybart » Fri Feb 05, 2021 4:56 pm

Hoot wrote:I assume you already tried These Guys ?

The trick is Googling 458 Socom Bolt

Hoot


Thank You - got one on the way
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Re: 450 Bolt

Postby s4s4u » Fri Feb 05, 2021 11:12 pm

cowboybart wrote:
Hoot wrote:I assume you already tried These Guys ?

The trick is Googling 458 Socom Bolt

Hoot


Thank You - got one on the way


Be sure to let us know how it runs?
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