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Old 07-24-2011, 05:42 PM   #1
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Default suggestions for my first ar-15 build

Hey every one i just got my stripped lower receiver from big cat and Im ready to start getting the internals. Im going to be putting a bushmaster 450 carbine upper on it and i don't want a run of the mill parts kit because i want the magpul trigger guard and i want the furniture to be dark earth.

1. I wanted suggestions on the trigger assembly because I've looked at the bushmaster two stage trigger as well as the dpms and the stag arms ones and I cant find any definitive reason to get one over the other.

2.with the 450 upper will i need to get a full butt stock or will a carbine stock be okay? (magpul makes a full rifle/ carbine stock hybrid.... any good?)

3. does any one know if i can change the free floating hand guard on the 450 bushmaster to a quad rail?

4. being that this is my first build, if anyone has any "do's and don'ts" to share that would be appreciated

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Old 07-25-2011, 02:51 AM   #2
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RRA has very nice 2 stages triggers as well.

It doesn't matter what stock you put on it. I think you want to look at the buffer type more. For the stock just whatever you want on your gun.

You can change the free floating hand guard out but you might need to put in a micro gas block depend on what you're looking to replace it with.

Last question I leave to the more professional people here.

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Old 07-25-2011, 01:54 PM   #3
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Buttstock = VLTOR A5 kit

Trigger = I like Timmney or get a LPK from Ammunition, Magazines, Rifle Parts, Bulk Ammo and Rifle Accessories – Palmetto State Armory they have kits that come w/ Magpul parts.

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Old 07-25-2011, 02:03 PM   #4
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How are you going to use the gun?

Why did you pick the 450?

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Old 07-25-2011, 02:23 PM   #5
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I picked the 450 for boar hunting and for less mature reasons being...... its the biggest round before you get into the sniper style rounds and builds. when i was figuring out which build i wanted to do i reviewed the 450 bushmaster and was pleased with the following it is developing, the fact that Remington is picking it up and other companies are starting to use the caliber shows that it is going to have a pretty strong backing. After firing the 5.56 in the service i just wasn't happy with the stopping power of a small/fast round over a slower larger round especially when most engagements occur well within 500yrds.
Basically i picked the 450 because i wanted a badass AR with big bore stopping power and decent range (200yrds+), I'm going to modify some 30 rd 5.56 to fit 10rds 450 to compensate for the low capacity.

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Old 07-25-2011, 02:34 PM   #6
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Originally Posted by everoblivion2005 View Post
I picked the 450 for boar hunting and for less mature reasons being...... its the biggest round before you get into the sniper style rounds and builds. when i was figuring out which build i wanted to do i reviewed the 450 bushmaster and was pleased with the following it is developing, the fact that Remington is picking it up and other companies are starting to use the caliber shows that it is going to have a pretty strong backing. After firing the 5.56 in the service i just wasn't happy with the stopping power of a small/fast round over a slower larger round especially when most engagements occur well within 500yrds.
Basically i picked the 450 because i wanted a badass AR with big bore stopping power and decent range (200yrds+), I'm going to modify some 30 rd 5.56 to fit 10rds 450 to compensate for the low capacity.
Read this:

The Build Time Has Come!
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Old 07-25-2011, 05:33 PM   #7
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Dangit, I already had this mental debate a month ago comparing the 458 to the 450 bm. thought i had made my decision, now i have more self arguing to do...... thanks cane

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Old 07-25-2011, 11:33 PM   #8
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Why not build a .308? Good all around ballistics, easy to find ammo, more factory backing than you can shake a stick at.

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Old 07-26-2011, 12:32 AM   #9
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Dangit, I already had this mental debate a month ago comparing the 458 to the 450 bm. thought i had made my decision, now i have more self arguing to do...... thanks cane
That's why we're here!

If you are a reloader there are way more options for the 458. It uses the same .458 bullet as the .45-70 Government which has been around since 1873.







This gun shoots as well as it looks!


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Old 07-26-2011, 12:36 AM   #10
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the socom also uses the big game bullets you find in the 458 winmag. i went 458 socom because of that and i dont have to modify the mags. the 450 uses .451 pistol bullets which arent generally great for hunting.

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