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1/22/2020 12:12:56 PM
Posted: 11/23/2012 5:43:11 AM EST
Ok newbie alert, sorry as I am sure this has been discussed before. How do I know which parts are compatible with what? For example, when I've used Brownells AR builder, it says the handguards I chose were not compatible with the barrel, and I couldn't find handguards to work with it. I've heard Sig uses proprietary parts at least with their handguards. But I'm looking at the big picture, not just handguards. Is there a general rule for figuring out parts compatibility?
Link Posted: 11/23/2012 6:01:47 AM EST

List everything you would like to use in your build, we will let you know why it isn't compatible.

It could be something as simple as picking a barrel with a mounted fsb and then picking a 12" FF handguard, that's not going to work as far as a internet app is concerned.
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