AR Sponsor
Posted: 12/28/2004 6:51:15 PM EDT
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Hello, I just got my new 16" bull stainless upper. I have a red dot for it, but I am planning on putting some flip up sights for back up. The front gas block is standard with no rails. I want to replace it with a block with rails, but I'm not sure what to get or if I need special tools for installation. I haven't measured the diameter yet, but I'm pretty sure its .936". Due to my lack of experience, all opinions will be helpful. Thanks The fuzz |
AR Sponsor
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