gunshop near does a completly enclosed conversion that they claim stops all the blowback on these guns. i think he charges 150.00

or this

http://muzzleloadingbullets.com/remington_700ML_209_conversion_kit.html

or this
http://www.rrarms.com/catalog.php?prod=19267

Last edited by srwshooter; 02/20/12.