Anyone have any information on the interior dimensions for the upper receiver.
Just tried to assemble my new Iron Ridge upper to the lower - there is about a 1/8" gap the bolt carrier and the buffer when closed.
With a 5.56 platform, the BCG is supposed to set the buffer back a tad to relieve the pressure on the buffer pin.
Have the correct buffer, buffer spring, butt extention, barrel and barrel extension. Same problem with both DPMS and Young carriers.
I found this older thread:
http://www.ar15.com/forums/t_3_121/523096__ARCHIVED_THREAD____iron_ridge_arms_IRA_10___IRA_X_uppers___lowers_.html&page=2
And this one over at SH: http://www.snipershide.com/forum/ubbthreads.php?ubb=showflat&Number=2377596
I recall that that thread at SH got the OP banned.
It would not be a surprise if a few out of spec uppers got released.
I was a little trouobled to see some past recommendations on other boards on how to deal with the issue - glue something onto the buffer, etc. That is a patch, not a fix.
Looking at some of archived threads here, it appears there were 2 or more other members who had similar problems.
Anyone else have this issue, and if so, is there a solution absent going with another manufacturer?
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