Quick view CK Arms PRS Basepad The PRS +2 Basepad is available for AICS style single feed magazines and clones. The basepad is machined out of 6061 Aluminum and Type III hard coat anodized. It is secured to the mag tube by a pair of 8/32 set screws and allows 2 more rounds of ammo in... MSRP: Was: Now: $40.00 Choose Options Compare