Want To Build A .450 Bushmaster

Talk about the AR15 style rifles chambered in 450 Bushmaster.

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Want To Build A .450 Bushmaster

Postby The Earl o SAmmich » Sun Feb 26, 2017 8:34 pm

Kind of have a Gryphon set up picked out, 18 " Stainless, bolt, gas block, gas tube and upper. Isn't listed on their site but I'm figuring about $520, $530. This is the only 18 inch mid length stainless barrel I could find.

Is this a good set up?

Are there others?
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Re: Want To Build A .450 Bushmaster

Postby Al in Mi » Mon Feb 27, 2017 5:36 am

buddy used one of their barrels in his build, so far she's a hole puncher with the 1680/300gr XTP mags loads I gave him to break it in.
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Re: Want To Build A .450 Bushmaster

Postby The Earl o SAmmich » Mon Feb 27, 2017 7:36 am

Thanks Al. Where at in Michigan do ye hail from? Yooper here.

What's the 1680 in 1680/300grn, 1680 fps?
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Re: Want To Build A .450 Bushmaster

Postby Hoot » Mon Feb 27, 2017 7:55 am

The Earl o SAmmich wrote:...snip...
What's the 1680 in 1680/300grn, 1680 fps?


Welcome aboard Earl!
Accurate Arms 1680 is a reloading powder.

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Re: Want To Build A .450 Bushmaster

Postby Al in Mi » Mon Feb 27, 2017 8:26 am

yeah 1680 powder like Hoot pointed out. I never chroned them yet but my 16" factory upper pile drives them too. puts the thump in thumper.

im in the ole "thumb" lol
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Re: Want To Build A .450 Bushmaster

Postby Pig_Popper » Mon Feb 27, 2017 1:58 pm

The Earl o SAmmich wrote: Snip...This is the only 18 inch mid length stainless barrel I could find. Are there others?


Yes there are http://www.gunbroker.com/item/623534959

I have zero experience with Deadshot barrels but it meets your criteria

Genie will grant you two more wishes..... :P
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Re: Want To Build A .450 Bushmaster

Postby Hoot » Mon Feb 27, 2017 5:21 pm

Pig_Popper wrote:
The Earl o SAmmich wrote: Snip...This is the only 18 inch mid length stainless barrel I could find. Are there others?


Yes there are http://www.gunbroker.com/item/623534959

I have zero experience with Deadshot barrels but it meets your criteria

Genie will grant you two more wishes..... :P


That's not bad deal and that bolt looks like its either dull chrome finished or NiB, both of which will make for easier cleaning. Free Shipping too.

C'mon Earl, take the plunge!

Earl Earl Earl Earl! ;)

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Re: Want To Build A .450 Bushmaster

Postby Bmt85 » Mon Feb 27, 2017 5:44 pm

Pig_Popper wrote:
The Earl o SAmmich wrote: Snip...This is the only 18 inch mid length stainless barrel I could find. Are there others?


Yes there are http://www.gunbroker.com/item/623534959

I have zero experience with Deadshot barrels but it meets your criteria

Genie will grant you two more wishes..... :P


That barrel isn't stainless, it's chrome moly and coated (don't know what). It also has a 1:16 twist, which isn't necessary.

Earl, only other company I can think of to get an 18" stainless barrel is Columbia River Arms. But it will probably be a custom order, so longer wait time, plus CRA is more expensive and don't come with bolts that I know of. They also only make 1:18 twist, which again is unnecessary. They do have a SS 20" mid-length gas ready to ship for $345 I believe.
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Re: Want To Build A .450 Bushmaster

Postby The Earl o SAmmich » Mon Feb 27, 2017 7:26 pm

OK, Just ordered the Gryphon upper kit, barrel, bolt, muzzle brake and of course upper. Mr. Gryphon let me exchange the 16 inch barrel for an 18 inch, no charge. It's in the mail already.

http://shop.gryphontradingllc.com/450-B ... 50UKIT.htm

I already have a .458 SOCOM but was a little disappointed in the performance. My Brother bought a 450b and let me have it for a month to play with. With the bullet weights I and my brother are interested in, the 450 seems a better performer.
Now to get some dies.

Hornady the only game in town?
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Re: Want To Build A .450 Bushmaster

Postby Hoot » Mon Feb 27, 2017 9:43 pm

The Earl o SAmmich wrote:OK, Just ordered the Gryphon upper kit, barrel, bolt, muzzle brake and of course upper. Mr. Gryphon let me exchange the 16 inch barrel for an 18 inch, no charge. It's in the mail already.

http://shop.gryphontradingllc.com/450-B ... 50UKIT.htm

I already have a .458 SOCOM but was a little disappointed in the performance. My Brother bought a 450b and let me have it for a month to play with. With the bullet weights I and my brother are interested in, the 450 seems a better performer.
Now to get some dies.

Hornady the only game in town?


Earl, as far as I know, the Hornady dies are the only stock ones around. Numerous companies can make you a custom set at "custom" prices. Speaking of price point. Shop around before you plop down your hard earned money for the Hornady set. One can often find a "sleeper" set in some mom and pop store for less money that MSRP. Also, you will occasionally run into someone who is dumping their 450b setup including reloading components. Keep an eye on the Marketplace here as sometimes they will split up a package deal. In the meantime google Hornady 546452. That the p/n for the die set. Compare prices and also watch for the rare sale.

Hoot

EDIT: Best price I've found is $60.67 and some change plus about $8 shipping Here
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