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  #1  
Old 06-08-2007, 7:01 AM
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shark92651 shark92651 is offline
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Default MI low profile gas blocks on sale

I am overstocked on these Midwest Industries low profile gas blocks so I have them marked down to $34.99 to move them out.

http://riflegear.com/c-27-gas-blocks.aspx

Thanks,
David
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Old 06-08-2007, 7:38 AM
bonjing bonjing is offline
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umm...

how will i know if it will fit my barrel? how do I measure it?

-edit-

sorry forgot to add that it is a dpms m4 profile barrel.

Last edited by bonjing; 06-08-2007 at 7:45 AM..
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Old 06-08-2007, 8:45 AM
Jack_Bauer Jack_Bauer is offline
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Thanks! This will go great for my new precision AR build along with a BB and BB release kit.

This block will fit your barrel if it's not pencil thin (.625) or a bull barrel (.925) I think those measurements are correct. .750 is the most common barrel diameter you'll come across. You can try taking a ruler and measuring the diameter or wrapping a string around your barrel and measuring the circumference. If you use the string method, don't forget to divide by 3.14159
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Old 06-08-2007, 8:58 AM
bonjing bonjing is offline
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thanks dude . That's what i get for saying i'll never use this stupid stuff in math class when i was younger
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Old 06-08-2007, 1:43 PM
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shark92651 shark92651 is offline
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A decent pair of calipers is a good item to add to your toolbox. A simple dial caliper from Home Depot can be had for around $12 - $15. The digital ones are cool though, if you want to spend a little more. The string divided by pi method is definitely cheaper

ar15barrels.com has some nice barrel profile specs and diagrams:

http://www.ar15barrels.com/profiles.shtml
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Last edited by shark92651; 06-08-2007 at 2:30 PM..
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