The Hill Pump MK5 Pro PCP Air Gun Pump with Patented Dry-Air System\nOur easiest pump yet....\nThe New & Improved Pro 5th Generation Hill PCP Pump with Dry-Pac.\n\nThe trusted style and familiarity of Hill pumps on the outside but all new on the inside...\n\nUpgraded MK5 Pro PumpPremium Nickel Plated FinishPatented Hill Colour Changing Dry-Pac System - Removes around 90% of moisture from the air going into your gun, giving you clean, dry air.\nOur Easiest Pump Yet - Around 20% easier to use for the average personReach Higher Pressures - Our MK5 pump will reach 300 BAR / 4500 PSI and at a much easier rate for users.\nQuick Service - Faster and Easier than ever to service our MK5 pump than our previous generations.\n\nNow includes our updated Colour Changing Dry-Pac system. The beads in the medium will now gradually change colour from Orange to Green as they absorb moisture to indicate that they need to be changed for a fresh sachet. \nThe Hill MK5 Pro (512.