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AR15.COM
11/5/2008 10:48:06 AM EDT
I have a LaRue Stealth Upper and Lower build.  Its an excellent rifle, except for one problem: it appears that with the bolt closed (and a round chambered), reloads are a bitch.  

After doing some testing, including swapping out lowers with an LMT, it appears that the problem might have to do with the LaRule Bolt Carrier Group.  I haven't been able to test this out because my primary and backup BCGs are both LaRues, but there doesn't appear to be anything else in the way to cause a problem.  I have also tried this with all 15 of my PMAGs and different GI mags that others at the training had.

The problem is basically this:  While doing a tactical reload, I have to basically SMASH the bottom of the mag into the receiver with a lot of force.  This is annoying if you are in a two day Tactical Carbine class where you are constantly doing reloads to keep your gun topped off.  While troubleshooting this in my garage after that weekend, I found that I wasn't having a problem, which makes me wonder if it has something to do with the gun being hot.  

I am going to test some more at the range this weekend, including possibly borrowing my friends BCG (with my bolt, so we don't screw up our bolt/barrel mating).  I really hate to point the finger at anything LaRue makes because I've loved my rifle and mounts and everything else I've bought, but I need to be able to do these types of reloads.  I might end up sending one of the BCGs back to LaRue and replacing it with an LMT just to make sure that isn't the problem.

Any other thoughts/suggestions?
11/5/2008 10:51:14 AM EDT
[#1]
It isn't abnormal to have issues inserting a fully loaded magazine on a closed bolt.



This is why a lot of people download by one or two rounds.



Other than that, I don't have any suggestions.  Good luck.
11/5/2008 12:44:33 PM EDT
[#2]
I have had that problem with every upper I have had.
11/5/2008 12:48:22 PM EDT
[#3]
Are you doing closed bolt reloads with full 30rd magazines?
11/5/2008 1:08:59 PM EDT
[#4]
Thanks to those that have replied––  I did forget to mention that these problems occurred with Mags loaded with 30, 28, and significantly fewer rounds.  I don't think it was an issue of follower over-pressure.
11/5/2008 1:21:35 PM EDT
[#5]
I also wanted to mention that when I was getting it to work fine in my garage, it was with a cold rifle, and I wasn't pushing the forward assist, so I'll give that a try in addition to more range testing over the weekend.
11/6/2008 2:34:23 PM EDT
[#6]
Any other LaRue upper users out there encounter this?
11/6/2008 3:47:18 PM EDT
[#7]
Im going to run this by my engineer tomorrow, and I will get back to you.

Please email me at [email protected]

Thanks

Austin