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Showing results for tags 'mag tube'.
Found 2 results
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Hi, I have an M4 H2O. I bought a 7 round mag tube. I wanted to remove and replace the factory 5 round tube. I looked up how-to instructions on YouTube. I started heating the tube with a heat gun, then the receiver. It may be a quick heating job for a black M4, but the coating on the H2O took the heat for 45 mins before I got the tube to start turning. I discolored the finish on the receiver. I read that prolonged heat, while applying force to remove the mag tube, may bend the receiver out of spec. Anyone know how I can make sure I didn't bend the receiver? PS: Robar confirmed that the NP3 Plus dissipates heat, and also confirms that it could have discolored, so I decided to send it for a removal and reapplication of NP3 Plus.
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I've done a lot of reading on this forum, and there seem to be two schools of thought: those who modify without concern for 922r, and those who worry about it. Let's begin by assuming that I want to keep my gun as legal as possible (taking into consideration the somewhat murky legalese that the ATF has afflicted us with). Being a resident of CA, i have two questions: 1: are there enough American made parts on the market to add a mag tube extension or full mag tube + everything else to get my magic number of imported parts to 10? 2: can I even register my M4 as a SBS and add a mag tube as a citizen of CA? Cost effectiveness: which way's cheaper? Less money spent on gun equals more time on the range. Thanks for your thoughts.
