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Posted: 1/17/2020 9:15:03 PM EDT
Hi everyone!
I built my RRA lower to host my RRA upper and everything seems ok expect maybe the stock fit: there seems to be a gap between the stock and the upper? I enclose pictures: 
Is this normal, or did I make a mistake?   
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Posted: 1/17/2020 9:56:11 PM EDT
[#1]
I don't own that stock but looks fine to me.
Not much to screw up there, make sure your not pinching your rear detent spring(or any debris etc)on the other side if you don't think it's on all the way and if your stock screw is tighten all the way . |
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Posted: 1/17/2020 11:47:21 PM EDT
[#2]
Quote HistoryQuoted:
I don't own that stock but looks fine to me. Not much to screw up there, make sure your not pinching your rear detent spring(or any debris etc)on the other side if you don't think it's on all the way and if your stock screw is tighten all the way . Yeah, I think I will double check it tomorrow after shooting. I was planning to go shooting with it tomorrow but I decided to not take it and am taking one of my carbines to co-witness instead. 
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Posted: 1/18/2020 8:01:33 PM EDT
[#3]
You have a molding flaw on the end of the nub that goes into the back of the receiver.
Pull the stock, break out some sand paper and sand the end of nub to clean it up so when you push the stock on the tube, it going to flush with the back of the receiver. Hence nub fits the plate fine, but is a touch too long/molding flaw to fit into the back of the receive void area cleanly instead. 
To fit in here, so the other areas of the stock can bottom out against the bottom of the receiver, before the nub bottoms in the channel beforehand instead. 
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Posted: 1/18/2020 11:31:50 PM EDT
[#4]
Quote HistoryQuoted:
You have a molding flaw on the end of the nub that goes into the back of the receiver. Pull the stock, break out some sand paper and sand the end of nub to clean it up so when you push the stock on the tube, it going to flush with the back of the receiver. Hence nub fits the plate fine, but is a touch too long/molding flaw to fit into the back of the receive void area cleanly instead. To fit in here, so the other areas of the stock can bottom out against the bottom of the receiver, before the nub bottoms in the channel beforehand instead. Thanks for the information. I will double check the stock and adjust it to correct fit. I thought I had checked for fit before putting everything together, but I might have overseen this one aspect.
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Posted: 1/19/2020 3:05:17 PM EDT
[#5]
Dano,
I have used a file to trim up the stock and indeed, it has worked wonder! I think it looks much better and it fits better as well! 
Does this look like a suitable improvement? I guess I should shoot it and check how it performs huh? Also, how tight do you tighten the end screw? I have it on tight but not "death" tight.  
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Posted: 1/21/2020 11:22:47 PM EDT
[#6]
Bolt should have had Blue loctite on it to hold it in place once torqued, but 8 ftlbs is more than enough torque on a grade 5 bolt.
https://www.almabolt.com/pages/catalog/bolts/tighteningtorque.htm |
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