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Posted: 2/1/2006 5:54:48 PM EDT
I have a one year old RRA EOP Varmint rifle. Great rifle! Just received the following:

DPMS Upper Assembly AR-15 A3 Flattop Upper with Bolt Carrier Assembly 223 Remington 1 in 9" Twist 16" Bull Stainless Steel

After installing the DPMS upper on my RRA lower, there seems to me to be an excessive amount of play/slop between the upper and lower receivers compared to my complete RRA rifle. If I grab the forend and twist, there is a small amount of movement. Is a little movement between upper and lower assemblies normal? My EOP is rock solid. Thanks for any insight.

Cheers,

B2AR15
Link Posted: 2/1/2006 7:22:51 PM EDT
A little movement is normal.

I hate How tight RRA you need a punch set and rubber mallet to open the gun up.
Link Posted: 2/2/2006 8:14:42 AM EDT
My RRA fits perfect...easy to open & tight as a drum!
Link Posted: 2/2/2006 5:07:57 PM EDT

Originally Posted By JBowles:
A little movement is normal.

I hate How tight RRA you need a punch set and rubber mallet to open the gun up.




I just ran into the same thing. I have a RRA flat top upper and put it on a RRA lower.
It is so tight I have to smack it with a rubber mallet to seperate them.
This is the norm?
I figure too tight is better than too loose.
Link Posted: 2/2/2006 5:34:41 PM EDT
Tight is all right as long as parts still fit together without too much friction. he
My new RRA lower is also tight. Got a new V-22 upper for it and needed to use some serious force with a brass punch to get the takedown pin in or out! I could work the pivot pin with my fingers and it was just right. A little needle file work on the V-22 upper cured that problem. The new CMT upper I bought is also more than finger tight on the takedown pin, but only needs a little help with a mallot. I figure it'll losen up some with use.
Link Posted: 2/2/2006 5:54:19 PM EDT
normal for that to be so but it being with a rra lower is kinda odd since they are usually too tight
Link Posted: 2/4/2006 9:28:49 AM EDT

Originally Posted By eklikwhoa:
normal for that to be so but it being with a rra lower is kinda odd since they are usually too tight



Yeah, but DPMS uppers (and lowers) are slop city for fit. I too have a DPMS upper on a Continental (who makes the RR lowers) lower, and it's the only set I own with more than a tiny bit of play. The rear lug on the DPMS upper is .003 thinner than the nest thicker upper I have
Link Posted: 2/7/2006 4:20:02 AM EDT
Strange I've got a DPMS upper on a RRA lower and it's rock solid tight fit, without being too tight. Do have to use something more than a thumbnail to pop the takedown and pivot pins though. But as have as overall fit it's as tight as my full RRA rifle and way tighter than my bushies.
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