Building an AR 450 Bushmaster

Talk about the AR15 style rifles chambered in 450 Bushmaster.

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Re: Building an AR 450 Bushmaster

Postby Smithjdsr » Fri May 18, 2018 5:01 pm

I shot it. Wow. It’s not your little .22!

I’m gonna need to do some “tweeking”.

First: the charging handle disconnects. The recoil causes it to unhook and fly back. I don’t know if the enlarged catch is what’s causing it, but I can’t use it! I am going to get one anyway, but I need one with a good catch and/or spring.

Second: recoil spring and/or buffer. I guess an H3 buffer is what I’ll be needing. What about the spring? Is there a heavier spring? Is that the right thing to do?
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Re: Building an AR 450 Bushmaster

Postby Hoot » Fri May 18, 2018 9:07 pm

Smithjdsr wrote:I shot it. Wow. It’s not your little .22!

I’m gonna need to do some “tweeking”.

First: the charging handle disconnects. The recoil causes it to unhook and fly back. I don’t know if the enlarged catch is what’s causing it, but I can’t use it! I am going to get one anyway, but I need one with a good catch and/or spring.

Second: recoil spring and/or buffer. I guess an H3 buffer is what I’ll be needing. What about the spring? Is there a heavier spring? Is that the right thing to do?


If you're using factory ammo, then yes it sounds like something isn't heavy enough. Don't ditch the extended release yet. They're pretty handy with a scope on.

Hoot
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