I recently bought my first AR. After months of research, finding the "chart", and searching this forum I decided on a LE6920 (which I got NIB for an outstanding price).
Now I want to put a FF rail and had all but decided to go with an 11" or 13" Troy or VTAC TRX with a LP gas block to get some extra purchase.
Then guys at the club and the local gun shop, who actually stocks the VTAC TRX at internet prices, are advising me not to alter the rifle (pinning LP block, etc) because its a Colt. I think they have swayed me because this route also would relieve me of the expense and hassle of the LP block install.
So now I started searching for a no-mod solution. I'm leaning toward a CASV-EL http://www.vltor.com/handguards_and_...pics.htm#black
because its 0 modification, gives me and extra 2"(would have preferred more), doesn't have unnecessary rails, and the top rail system would actually help get a variable mag scope further over the front sight post. But in rob_s's recent post, it doesn't seem to be a common rail solution.
I was hoping some people with more experience could way in with some advice on this or other options. I have looked at the J Point carbine rail with an extender and the options from DD. DD options seam like a lot of picatinny rail and a lot of $$. But I'm not making this decision on $$ alone.
My club is going to start 3 gun and I may want to give it a try. 3 gun, IPDA, IPSC is pretty big in my neck of the woods. I will want to maybe use this gun for that initially and I am taking some Carbine courses in a late spring. I plan to run a 1-4 scope. If I get into three gun I will most likely build a 18" upper for that purpose.
Thanks for any input.


. I think they have swayed me because this route also would relieve me of the expense and hassle of the LP block install.
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