amazon-payments amex bitcoin cirrus discover fancy google-wallet interact jcb mastercard paypal stripe twitter visa diners-club dankort apple-pay facebook google-plus instagram maestro pinterest rss tumblr vimeo youtube arrow-bottom arrow-right arrow-left arrow-top cross search user cart minus plus arrow-right-2 comment
Free Shipping in Canada for orders $300+
Contact 905-397-5684 thenq@niagaraquartermaster.com
  • Facebook
  • Instagram
  • Open menu
    • Packages
    • Airsoft Guns
      • Electric Guns By Brand
        • Arcturus
        • Ares
        • E&L
        • King Arms
        • Raven Evolution
        • EMG
        • KWA
        • VFC
      • Electric Guns By Models
        • M4/M16/416 Series
        • AK Series
        • DMR Series
        • G36 Series
        • LMG Series
        • Scar Series
        • Sub-Machine Guns
        • Other
      • Gas Pistols By Brand
        • Cybergun
        • Farsan
        • KJW
        • KWC
        • SRC
        • WE
        • Wingun
      • Gas Pistols By Gas Type
        • CO2 Pistols
        • Green Gas Pistols
      • Gas & HPA Rifles
        • Matador Tactical GAS Shotguns
        • WE GAS RIfles
        • VFC GAS Rifles
        • Wolverine HPA Rifles
        • KWA GAS Rifles
      • Spring Guns
      • Used/Upgraded/Consignment Guns
    • Airsoft Supplies
      • Airsoft Gun Magazines
        • Electric Gun Magazines
        • Gas Pistol Magazines
        • Gas Rifle Magazines
        • Spring Gun Magazines
      • Batteries
        • 7.4v LIPOs
        • 11.1v LIPOs
        • Other
      • Battery Chargers
      • BB's
        • Biodegradable
        • Non-Biodegradable
        • Tracers
      • BB Speed Loaders
      • CO2 & Green Gas
      • Gas Accessories & Adapters
      • Grenades & Launchers
        • 40MM Grenade Shells
        • Grenade Accessories
        • Grenade Launchers
        • Hand Grenades
        • Smoke Grenades
    • Airsoft Parts
      • AEG Inner Barrels, Hop-Up Units, etc.
        • AEG Buckings & Nubs
        • AEG Hop-Ups
        • AEG Inner Barrels
      • High Pressure Air
        • HPA Engines
        • HPA Parts
        • HPA Regulators & Lines
        • HPA Tanks
        • HPA By Brands
      • Internal AEG Parts
        • Air Nozzles
        • Cylinders & Heads
        • Gearboxes
        • Gears, Bushings & Shims
        • MOSFETs
        • Motors
        • Pistons
        • Piston Heads
        • Selector Plates
        • Springs
        • Tappets
        • Triggers
        • Wiring & Trigger Contacts
      • Gas Gun Parts
        • Gas Pistol Parts
        • Gas Rifle Parts
      • Pistol Grips
      • Rails & Conversion Kits
        • Conversion Kits
        • Rails
      • Receiver Parts
      • Sling Adapters & Plates
      • Spring Gun Internals
      • Stocks
      • Tech Services & Tools
    • Airsoft Accesories
      • Barrel Attachments
        • Barrel Adapters
        • Flash Hiders
        • Outer Barrels
        • Suppressors
        • Tracer Units
      • Bipods
      • Foregrips
      • Lights & Lasers
        • Accessories
        • Lasers
        • Lights
        • Light & Laser Combos
        • Mounts
      • Optics & SIghts
        • Magnified Optics
        • Non-Magnified Optics
        • Optic Accessories & Protection
        • Iron Sights
      • PEQ Boxes
    • Apparel
      • Belts
      • Footwear
        • Altama
        • Boot Accessories
        • Smith & Wesson
        • Socks
        • Surplus
        • Original Swat
      • Gloves
        • Tactical Gloves
        • Winter Gloves
      • Headgear
        • Balaclavas & Face Wraps
        • Boonie Hats
        • Ball Caps
        • Toques
        • Shemaghs
      • Jackets & Coats
      • Morale Patches
        • Flags
        • Morale Patches
      • Pants
        • Shadow Elite
        • Surplus Pants
      • Shirts
        • Shadow Strategic Combat Shirts
        • Shadow Strategic Combat Coats
        • Surplus Shirts
        • T-Shirts
      • Shorts
    • Tactical Gear
      • Bags
        • Backpacks
        • Duffel Bags
        • Gun Bags & Cases
        • Other Bags
        • Shoulder Bags
      • Communication
        • Communication Accessories
        • Mics & Headsets
        • Radios
      • Elbow & Knee Pads
        • Elbow Pads
        • Knee Pads
      • Eye & Face Protection
        • Eyewear Accessories
        • Eye Protection
        • Full Face Masks
        • Lower Face Protection
      • Helmets
      • Holsters, Belts & Leg Rigs
        • Battle Belts
        • Holsters
        • Leg Rigs
        • Tactical Belts
      • Hydration
      • K9 Gear
      • Modular Pouches
        • Admin Pouches
        • Dump Pouches
        • Magazine Pouches
        • Medical Pouches
        • Other Pouches
        • Utility Pouches
      • Outdoors
        • Knives/Axes/Tools
        • MRE Food Packs
        • Rope & Cord
        • Sleep Gear
      • Plate Carriers, Chest Rigs & Vests
        • Chest Rigs
        • Modular Vests
        • Plate Carriers
      • Security
        • Field Notebook Covers
        • Handcuffs
        • Note Books
        • Self-Defense
      • Slings
    • Upgrade & Repair Services
    • Field
      • Waiver
      • About
      • M4 Rifle Rental Package
      • Sniper Rifle Rental Package
      • Rules
  • 0
  • Skip to navigation
  • Skip to main content
  • Skip to footer
Niagara Quartermaster
  • Login
  • Register
  • Cart (0)
  • Packages
  • Airsoft Guns
    • Electric Guns By Brand
      • Arcturus
      • Ares
      • E&L
      • King Arms
      • Raven Evolution
      • EMG
      • KWA
      • VFC
    • Electric Guns By Models
      • M4/M16/416 Series
      • AK Series
      • DMR Series
      • G36 Series
      • LMG Series
      • Scar Series
      • Sub-Machine Guns
      • Other
    • Gas Pistols By Brand
      • Cybergun
      • Farsan
      • KJW
      • KWC
      • SRC
      • WE
      • Wingun
    • Gas Pistols By Gas Type
      • CO2 Pistols
      • Green Gas Pistols
    • Gas & HPA Rifles
      • Matador Tactical GAS Shotguns
      • WE GAS RIfles
      • VFC GAS Rifles
      • Wolverine HPA Rifles
      • KWA GAS Rifles
    • Spring Guns
    • Used/Upgraded/Consignment Guns
  • Airsoft Supplies
    • Airsoft Gun Magazines
      • Electric Gun Magazines
      • Gas Pistol Magazines
      • Gas Rifle Magazines
      • Spring Gun Magazines
    • Batteries
      • 7.4v LIPOs
      • 11.1v LIPOs
      • Other
    • Battery Chargers
    • BB's
      • Biodegradable
      • Non-Biodegradable
      • Tracers
    • BB Speed Loaders
    • CO2 & Green Gas
    • Gas Accessories & Adapters
    • Grenades & Launchers
      • 40MM Grenade Shells
      • Grenade Accessories
      • Grenade Launchers
      • Hand Grenades
      • Smoke Grenades
  • Airsoft Parts
    • AEG Inner Barrels, Hop-Up Units, etc.
      • AEG Buckings & Nubs
      • AEG Hop-Ups
      • AEG Inner Barrels
    • High Pressure Air
      • HPA Engines
      • HPA Parts
      • HPA Regulators & Lines
      • HPA Tanks
      • HPA By Brands
    • Internal AEG Parts
      • Air Nozzles
      • Cylinders & Heads
      • Gearboxes
      • Gears, Bushings & Shims
      • MOSFETs
      • Motors
      • Pistons
      • Piston Heads
      • Selector Plates
      • Springs
      • Tappets
      • Triggers
      • Wiring & Trigger Contacts
    • Gas Gun Parts
      • Gas Pistol Parts
      • Gas Rifle Parts
    • Pistol Grips
    • Rails & Conversion Kits
      • Conversion Kits
      • Rails
    • Receiver Parts
    • Sling Adapters & Plates
    • Spring Gun Internals
    • Stocks
    • Tech Services & Tools
  • Airsoft Accesories
    • Barrel Attachments
      • Barrel Adapters
      • Flash Hiders
      • Outer Barrels
      • Suppressors
      • Tracer Units
    • Bipods
    • Foregrips
    • Lights & Lasers
      • Accessories
      • Lasers
      • Lights
      • Light & Laser Combos
      • Mounts
    • Optics & SIghts
      • Magnified Optics
      • Non-Magnified Optics
      • Optic Accessories & Protection
      • Iron Sights
    • PEQ Boxes
  • Apparel
    • Belts
    • Footwear
      • Altama
      • Boot Accessories
      • Smith & Wesson
      • Socks
      • Surplus
      • Original Swat
    • Gloves
      • Tactical Gloves
      • Winter Gloves
    • Headgear
      • Balaclavas & Face Wraps
      • Boonie Hats
      • Ball Caps
      • Toques
      • Shemaghs
    • Jackets & Coats
    • Morale Patches
      • Flags
      • Morale Patches
    • Pants
      • Shadow Elite
      • Surplus Pants
    • Shirts
      • Shadow Strategic Combat Shirts
      • Shadow Strategic Combat Coats
      • Surplus Shirts
      • T-Shirts
    • Shorts
  • Tactical Gear
    • Bags
      • Backpacks
      • Duffel Bags
      • Gun Bags & Cases
      • Other Bags
      • Shoulder Bags
    • Communication
      • Communication Accessories
      • Mics & Headsets
      • Radios
    • Elbow & Knee Pads
      • Elbow Pads
      • Knee Pads
    • Eye & Face Protection
      • Eyewear Accessories
      • Eye Protection
      • Full Face Masks
      • Lower Face Protection
    • Helmets
    • Holsters, Belts & Leg Rigs
      • Battle Belts
      • Holsters
      • Leg Rigs
      • Tactical Belts
    • Hydration
    • K9 Gear
    • Modular Pouches
      • Admin Pouches
      • Dump Pouches
      • Magazine Pouches
      • Medical Pouches
      • Other Pouches
      • Utility Pouches
    • Outdoors
      • Knives/Axes/Tools
      • MRE Food Packs
      • Rope & Cord
      • Sleep Gear
    • Plate Carriers, Chest Rigs & Vests
      • Chest Rigs
      • Modular Vests
      • Plate Carriers
    • Security
      • Field Notebook Covers
      • Handcuffs
      • Note Books
      • Self-Defense
    • Slings
  • Upgrade & Repair Services
  • Field
    • Waiver
    • About
    • M4 Rifle Rental Package
    • Sniper Rifle Rental Package
    • Rules
  • Home
  • HPA Parts & Accessories

79 products

HPA Parts & Accessories

  • 1/8 fitting
  • air nozzle
  • Air Nozzles
  • ak nozzle
  • control board
  • electronic
  • fcu
  • hpa
  • HPA Accessories
  • hpa adapter
  • HPA Parts & Accessories
  • HPA Regulators & Lines
  • HPA Tank Accessories
  • m4 magazine
  • mag valve
  • mtw
  • nozzle
  • pistol
  • polarstar
  • poppet
  • PTS
  • shotgun
  • shotgun internal
  • shotgun parts
  • Shotguns
  • Speed
  • SpeedQB
  • Stocks
  • tap adapter
  • trigger board
  • valve
Action Army CNC Stainless Steel HPA Adapter Valve for Green Gas Magazines - KJW/WE-Tech
Action Army CNC Stainless Steel HPA Adapter Valve for Green Gas Magazines - KJW/WE-Tech $23.99
Amped Custom HPA Adapter
Amped Custom HPA Adapter $23.99
Sold out
CQB Russian HPA Valve - WE-Tech Rifle/Pistol Gas Magazines - Niagara Quartermaster
CQB Russian HPA Valve - WE-Tech Rifle/Pistol Gas Magazines $24.99
CQB Russian HPA Valve for JAG Scattergun - Niagara Quartermaster
CQB Russian HPA Valve for Gas Shotguns $23.99
Sold out
CQB Russian HPA Valve for JAG Scattergun - Niagara Quartermaster
CQB Russian HPA Valve for Gas Shotguns $24.99
Sold out
CQB Russian HPA Valve for KWA GBB Magazines - Niagara Quartermaster
CQB Russian HPA Valve for KWA GBB Magazines $24.99
Sold out
CQB Russian HPA Valve for KWA GBB Magazines - Niagara Quartermaster
CQB Russian HPA Valve for KWA GBB Magazines $24.99
Guardian Gauge - 5000 psi
Guardian Gauge - 5000 psi $19.99
PolarStar Fusion Engine Red Low Flow Poppet
PolarStar Fusion Engine Red Low Flow Poppet $54.99
PolarStar Fusion Engine Regulator Lockout Cap - Niagara Quartermaster
PolarStar Fusion Engine Regulator Lockout Cap $15.99
Sold out
PolarStar Fusion Engine Trigger Board for V2 Gearbox GEN3
PolarStar Fusion Engine Trigger Board for V2 Gearbox GEN3 $33.99
Sold out
Protech Airsoft Mk.2 Replacement Airline - V2/V3 Length $21.99
Sold out
Protech Mk.2 Spare O-Ring Kit - Gen 1 $11.99
Sold out
Protech Mk.2.5 Spare O-Ring Kit - Gen 2 $11.99
Sold out
Protech MK2 Nozzles - Niagara Quartermaster
Protech MK2 Nozzles $34.99
Sold out
Protech Wire Harnesses - Niagara Quartermaster
Protech Wire Harnesses $27.99
Sold out
Speed Airsoft HPA M4 Blade Tunable Trigger - Black - Niagara Quartermaster
Speed Airsoft HPA M4 Blade Tunable Trigger - Black $41.99
Sold out
Speed Airsoft HPA M4 Blade Tunable Trigger - Black - Niagara Quartermaster
Speed Airsoft HPA M4 Blade Tunable Trigger - Black $41.99
  • 1
  • 2
  • 3
  • …
  • 5
Next

Free Shipping

All orders $300+ are eligible for free shipping within Canada (territories excluded).

Store Details

  • About Us
  • Contact Us
  • Search
  • Policies & Warranty
  • Do not sell or share my personal information
  • Do not sell or share my personal information

Hours & Contact Info

Tuesday, Wednesday and Friday: 11:30 AM-6:00 PM EST Thursday: 11:30-7 PM EST Saturday: 11:00 AM-5:00 PM EST (905) 397-5684 thenq@niagaraquartermaster.com 622 Welland Ave., St. Catharines

Follow us

  • Facebook
  • Instagram

Niagara Quartermaster

  • PayPal