xJLF Posted October 31, 2012 Share Posted October 31, 2012 Hi there, can i put an aftermarket metal handguard with a rail on my JG R21 M4 as the one thats on at the minute is abit wobbly and is made out of cheap plastic, if so could someone please tell me which one would fit? Thanks alot Link to comment Share on other sites More sharing options...
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