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Old 10-04-2010, 19:29   #1
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Join Date: Sep 2005
Posts: 917
Help regarding handguard/gas block combo

Hello and thank you for reading,
I recently purchased a Bushmaster A3 16" upper assembly, this is the exact model I purchased http://www.midwayusa.com/viewproduct...tnumber=439349

I would like to run either a magpul MOE handguard or a free floating quad rail. I attempted to install the magpul MOE handguard however it did not fit, there was a clearance issue at the gas block. Can you recommend a quad rail I can use with my current setup or a different gas block I could use with the MOE handguard?

Thank you.
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Old 10-04-2010, 21:20   #2
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The MOE is made to work with an "F" sight base, standard military front sight.
I am guessing the wide part of the GB was the problem?
Any carbine length rail will work but, if it isn't a 2 piece add on you will have to remove the barrel nut to install the free float rail.
Check Midwest ind. or YHM
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