sellmarkguy Posted April 18, 2011 Report Share Posted April 18, 2011 The prev. owner of my AP4 wanted a Low profile GBso he had his 'smith cut off the front sight w/ a Dremel.I want to put a front sight GB back on the rifle.Which one will I need for DPMS AP4 308?Thanks.... Quote Link to comment Share on other sites More sharing options...
survivalshop Posted April 18, 2011 Report Share Posted April 18, 2011 Depends on the barrel dia. at the gas block .0.750", 0.850" & so on. Quote Link to comment Share on other sites More sharing options...
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