Air Tanks Plus

Air Tanks Plus

PCP Airgun equipment

Manufacturing, Distribution, and Online Sales

KapMan – PCP Fill Port Protector Cap

KapMan – PCP Fill Port Protector Cap and other useful stuff

Air Tanks Plus also sells PCP Fill AdaptorsPCP Fittings, Custom Hoses, Tank Bags, and Much more…

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Key Features of the KapMan – PCP Fill Port Protector Cap

KapMan quick-disconnect protector cap (AKA PCP Airgun Fill Nipple Caps) helps keep debris out of your PCP air gun or Paintball tank. Works with foster male fittings aka QD, quick-disconnect fittings found on most PCP airguns. We now make this in a in a longer version called “Kapman XL” for FX and other airguns with a fill port well.  The XL is longer and easier to grab.  Made in USA

Buy more save more with single, multi-pack, and friend packs:

  • KapMan – 1 piece $9.99 | 3 pieces $8.99 /each | 5 pieces $7.99 /each
  • KapMan XL – 1 piece $12.99 | 3 pieces $11.95 /each | 5 pieces $10.95 /each


Please scroll down to learn more about the KapMan – PCP Fill Port Protector Cap including additional photos and a product video or two if we have them.




Dress up and protect your PCP air gun or paintball tank

Lets face it, you have invested a lot of time money and energy into your PCP air gun.   KapMan – quick-disconnect protective cap snaps right on to your male foster type fitting.  KapMan works with all foster type fittings even the stainless steel ones that the magnetic-type of caps cant.   Made in the USA from high quality aircraft-grade aluminum right here in Sacramento, CA   

Easy on Easy off with KapMan

KapMan quick-connect cap

KapMan fill protector image gallery

KapMan – PCP Fill Port Protector Cap


Additional information

Pack Size

Single Pack: (1) piece, Multi Pack (3) pieces, Buddy Pack (5) pieces


Regular, XL




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