WE most likely will not fit a Marui anyways. I believe RA-Tech makes a makes a metal slide kit for the Marui PX-4. As for importation, I'm not certain. I know that bringing in frames is usually taboo.
WE'RE RECRUITING MORE AGE VERIFIERS FOR MORE REGIONS OF CANADA! INTERESTED? CHECK OUT OUR THREAD HERE!
BC & YUKON MASTER AV REPRESENTITIVE