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Posted: 8/27/2007 6:33:35 AM EDT
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I've got a Polish Underfolder w/ original Gas Piston and I want to replace w/ a US one. I ordered it, and it will be along shortly. Now, from looking at the diagrams, bolt carrier & piston. It looks like there is a stud that needs to be removed, the new piston screwed in and the stud put back in. What is the easiest method for removal and Installation. If it's simply using a punch. What size do you recommend? Thanks. PS: I have a felling this will be a bit harder than it looks. Like when I replaced the rear sight on another rifle. THAT was difficult 
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A few pics here: www.ar15.com/content/page.html?id=76 There is an EXCELLENT how to video at ak-builder.com |
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