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Posted: 9/14/2003 10:05:59 AM EDT
Hello folks.

When you look at the standard rifle handguards of AR15, you will see the rear holes where your hands go are blocked. I understand that you do this to prevent your hand from burns but why do they block holes even in upper heat sheilds?

I was going to purchase M5 RAS just because I want better air flow but before that I wanted to try making holes in upper heat sheild so it would yeild better ventilation. Has anyone done this?
Link Posted: 9/14/2003 10:28:34 AM EDT
It will increase mirage distortions in your sight picture. They are closed for a reason.
Link Posted: 9/14/2003 10:54:28 AM EDT
That seems reasonable. Seems like M5 RAS is the only way to go then.
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