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9/22/2017 12:11:25 AM
Posted: 5/3/2004 9:23:07 AM EDT
does anyone make a 4-rail aluminum gas block? I am interested in saving a bit of weight. Are there any significant downsides with going with an alum v. steel gas block?

Link Posted: 5/3/2004 11:30:16 AM EDT
Link Posted: 5/3/2004 11:41:19 AM EDT
We looked at them but the different expansion rates caused gas leakage after a few rounds.
Link Posted: 5/4/2004 7:22:34 AM EDT
thanks guys - that looks like a big tilt.
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