? on removing MOE handguard heat shield

I have a MOE Carbine (MAG440) handguard with the mission of installing a KNS sling mount. I need to first uninstall the heat shield and it appears to be a riveted.

http://ads.midwayusa.com/product/111378/kns-front-sling-swivel-mount-stud-steel-parkerized?srccode=cii_17588969&cpncode=26-403842444-2&ads=&cm_mmc=pf_ci_google--pf_ci_google--pf_ci_google-_-pf_ci_google

Any recommendations on removal and re-installation?

Thanks