DPMS Lo-Pro Receiver: Any experience building with it?

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[ARCHIVED THREAD] - DPMS Lo-Pro Receiver: Any experience building with it?

Posted: 10/3/2005 2:22:52 PM EDT

I'm considering my first CavArms build. I'd like to use a DPMS Lo-Pro (no assist or ejection cover) upper receiver with an M-4 profile barrel.
-Does anybody have any experience with these uppers?
-The website says "slightly" taller rail than A3. What does slightly mean? I still want to use BUIS.
-Will an A3 action block hold this receiver? Do I really need the action block?

Thanks

Posted: 10/3/2005 6:10:33 PM EDT

[#1]

Quoted:
-Does anybody have any experience with these uppers?
-The website says "slightly" taller rail than A3. What does slightly mean? I still want to use BUIS.
-Will an A3 action block hold this receiver? Do I really need the action block?

Probably not what you meant, but I just finished it today.

It's just a hair taller. When I put it back to back with a Bushmaster A3 upper, I could feel it's just barely taller.

It's thicker than a normal upper (note the recess for the bolt release), so the low pro will not fit in a Bushmaster action block.

Posted: 10/4/2005 1:18:46 AM EDT

[#2]

That helps a lot! What action block did you find that fit? Were you able to use a standard front sight post or an elevated one?

Posted: 10/4/2005 10:11:24 AM EDT

[#3]

With the Lo Pro I have had to use a barrel vise. This upper is thicker and does not work well in action blocks. I have done two with the barrel vise set up. Just my experience.

Posted: 10/4/2005 7:03:57 PM EDT

[#4]

Quoted:
What action block did you find that fit? Were you able to use a standard front sight post or an elevated one?

I used a homemade vice block, but I'm not sure if that's recommended. I'm using the front post that came with the barrel. I haven't shot it yet, so I don't know if that's the right thing to do either. WECSOG!

[ARCHIVED THREAD] - DPMS Lo-Pro Receiver: Any experience building with it?

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