MLC Posted August 11, 2016 Report Share Posted August 11, 2016 It seems that gas blocks are the same for .308 AR barrels and .223/5.56 barrels, so long as diameters match. For instance, I have an AP barrel with a .750 diameter. Can I put any .750 gas block on it, or is there such a thing as a .308 specific gas block? Quote Link to comment Share on other sites More sharing options...
392heminut Posted August 12, 2016 Report Share Posted August 12, 2016 They are the same for both platforms as long as the diameter is correct. Quote Link to comment Share on other sites More sharing options...
MLC Posted August 12, 2016 Author Report Share Posted August 12, 2016 Many thanks. Quote Link to comment Share on other sites More sharing options...
392heminut Posted August 12, 2016 Report Share Posted August 12, 2016 Quote Link to comment Share on other sites More sharing options...
guruofhotrod Posted August 13, 2016 Report Share Posted August 13, 2016 (edited) I would add one exception, if the gasblock has a rail and you want it to match the upper rail height they will be 308 specific - and of course the DPMS pattern has 2 rail heights so in this case proceed carefully Edited August 13, 2016 by guruofhotrod Quote Link to comment Share on other sites More sharing options...
MLC Posted August 14, 2016 Author Report Share Posted August 14, 2016 Guru - good call. I plan on just getting a low profile gas block to hide under my handguard to avoid all that stuff. Quote Link to comment Share on other sites More sharing options...
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