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Posted: 4/7/2009 9:35:41 AM EDT
I am wanting to get a low profile gas block for my RRA Elite CAR A4, HBAR middy. My question is what diameter gas block do I get?? I am looking at Noveske's website and they show 3 different sizes: .750 .875 .936. Then LaRue's site shows a few of the same sizes and then others???
Which one do I need?? Thanks for any help |
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