I have a P&S non-free-floated rail system for a rifle-length gas system for sale. Got this as a gift and is still new, but never had any use for it. Installs just like the KAC M5 RAS. Has two short and one medium rail covers. Asking $75 shipped OBO.
Contact via PM or e-mail. Discrete Paypal is preferred, but I will also accept USPS money orders.