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12/6/2019 7:27:02 PM
Posted: 6/3/2008 1:54:31 AM EST
What are the benefits of getting an aftermarket mag block over a RRA block?
I am considering buying a RRA upper and want to know if I should buy the RRA block at the same time, or is it worth the extra money for another brand. I would like to be able to use the original mag release button and bolt hold open. I have done a lot of searches but there has not been a lot of talk about the RRA block.
Thanks
Link Posted: 6/3/2008 1:55:07 PM EST
There are lots of opinions on the merits and problems with each of them.
I used an RRA block on my 9mm build and have had zero issues with it.
I reading LOTS of posts with folks having problems related to the block I think the RRA is the one I've seen the least issue with that still uses the AR mag catch.
Link Posted: 6/3/2008 3:55:01 PM EST
I have three 9mm carbines (2 factory built, one custom built). All three utilize RRA blocks. Absolutely no problems as long as I don't try to us CProducts mags (old Colts, Pro-Mags, and modified UZIs work just fine).
Link Posted: 6/3/2008 7:16:26 PM EST
No problems with my two RRA blocks.
Have not tried CProducts mags due to other people posting about having problems with them. And I don't want to adjust my mag blocks to make them work because I have a ton of modified Uzi mags.
Link Posted: 6/4/2008 4:04:54 AM EST
My suggestion would be to get a mag block that works with the CP mags. Like it or not the CP mags are now the industry standard (since CP is now the mag vendor for COLT).
Link Posted: 6/4/2008 8:24:28 AM EST

Originally Posted By nugentgl:
My suggestion would be to get a mag block that works with the CP mags. Like it or not the CP mags are now the industry standard (since CP is now the mag vendor for COLT).


Im putting together a 9mm and already have 12 Cproduct mags.

What block do you recommend?
Link Posted: 6/4/2008 8:27:22 AM EST
c products is releasing their own block this month! it retails for $99 IIRC. Check it out in the industry forum! lary is a great guy!
Link Posted: 6/5/2008 3:30:08 AM EST

Originally Posted By -SSDG-:

Originally Posted By nugentgl:
My suggestion would be to get a mag block that works with the CP mags. Like it or not the CP mags are now the industry standard (since CP is now the mag vendor for COLT).


Im putting together a 9mm and already have 12 Cproduct mags.

What block do you recommend?


I have a Hahn bottom loading block that secures with a tension bar via set screw. It works just fine with CP mags.

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