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Posted: 5/9/2003 9:51:56 PM EDT
| I just bought a RRA m4 entry and the handguards have about a 1/16" of rotational play. I was wondering if there is way to tighten them? A couple of my friends have AR's Bushmaster's and Colt's and they don't have this problem. Is there any way to fix this and is it normal? |
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The barrel nut teeth fit in a slot in the handguard. Inside the slot are a couple dimples that are supposed to fit between the teeth and prevent rotation. Some put a small dab of silicon caulk or gasket sealer in the slot. Handguards can be removed by hand. I find it easier to separate the upper and lower. I put the upper reciever on my desk with the barrel up and push down on the delta ring. The first time will be awkward. |
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