PCP Stirrup Pump Three-stage pumps with built-in filters are ideal for filling the most popular PCP airguns. Features innovative folding feet for easy storage. PCP high-pressure air pump is used for air-driven cylinders and PCP cylinders, which are safely and conveniently brought to outdoor sports and hunting. Advantages of PCP stirrup pumps include: Affordability: PCP stirrup pumps are relatively inexpensive compared to other methods of filling PCP airguns, such as using a scuba tank or an electric compressor. Convenience: PCP stirrup pumps are portable and can be used in the field, at the range, or at home. Easy to use: PCP stirrup pumps are relatively easy to use, with no complicated setup required. The user simply needs to attach the hose to the gun's air inlet valve and start pumping. No need for electricity or specialized equipment: PCP stirrup pumps do not require electricity or other specialized equipment, making them a convenient option for those without access to power or other filling equipment.