It depends on the brand and how well you do your maintenance as to how well your mags work, and it also depends on gas type CO2 or GG. The charging handle works on GBBRs. All you can ever want to know is in the GBBR thread, just use the search function and happy reading.
READ MORE ASK QUESTIONS LESS, your last thread ended up in the trash quickly due to your lack of research. We are not here to spoon feed you after you research on your own we are happy to fill in the blanks. Once you get AV'd theres tonnes of info in the restricted area.
WE M4-- C8 CQBR
WE M4 13" Troy TRX build
WE M-16 DMR
Last edited by redneck12; March 6th, 2014 at 20:50..