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Posted: 11/23/2008 5:38:22 AM EDT
| can someone explain to me how the plastic m4 type handguards with dual heat shields cool the barrel faster than the standard single heat shield type. i am asking beacause i cant get used to shooting with a forward grip and i have found that i can shoot better using the traditional style hold. the factory carbine hand guards fit my hand great and are more comfortable. in the bushmaster catalog it says that the m4 handguards with the dual heat shields effectively increase barrel cooling. to my way of thinking and i could be wrong the factory guards have openings at the top and bottom that you can see the gas tube and barrel. the m4 guards have holes top and bottom but you cant see the gas tube and barrel because of one of the heat shields are solid with no opening. it seems to me that the single shield type would let the heat out faster and the dual shield type would keep the heat in longer keeping the barrel and gas tube hotter. can anybody help me out with this one. |
| Your assumption is right. The heat shields don't facilitate cooling, they just help to protect your hands from the heat. That was probably just a mistake in the catalog. Unless their heatshields have some sort of design that improves airflow, heatshields don't serve to vent the barrel. |
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