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    • BB Speed Loaders
    • CO2 & Green Gas
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      • 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
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    • Receiver Parts
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      • Outer Barrels
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      • Light & Laser Combos
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      • Winter Gloves
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      • Shemaghs
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      • Morale Patches
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      • Shadow Elite
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      • Shadow Strategic Combat Coats
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      • Eye Protection
      • Full Face Masks
      • Lower Face Protection
    • Helmets
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      • Battle Belts
      • Holsters
      • Leg Rigs
      • Tactical Belts
    • Hydration
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      • Medical Pouches
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      • Knives/Axes/Tools
      • MRE Food Packs
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  • Barrel Attachments

149 products

Barrel Attachments

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  • zion arms
Sentinel Gears 14mm CCW Suppressor Adaptor for VSR10 Sniper Rifles
Sentinel Gears 14mm CCW Suppressor Adaptor for VSR10 Sniper Rifles $15.99
SLONG 4.5" M4A1 Barrel Extension
SLONG 4.5" M4A1 Barrel Extension $19.99
Sold out
Spartan MP5 Silencer Adapter - 14mm CCW - Niagara Quartermaster
Spartan MP5 Silencer Adapter - 14mm CCW $15.99
Sold out
Tippmann M4 CQB Outer Barrel - 10.3" - Niagara Quartermaster
Tippmann M4 CQB Outer Barrel - 10.3" $54.99
Tippmann M4 Extended Outer Barrel - 16"
Tippmann M4 Extended Outer Barrel - 16" $44.99
Sold out
Toyko Arms Multi-Length M4/M16 Outer Barrel Set
Toyko Arms Multi-Length M4/M16 Outer Barrel Set From $75.99
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UFC Metal 3.25" M4 Stubby Outer Barrel for Airsoft AEG Rifles
UFC Metal 3.25" M4 Stubby Outer Barrel for Airsoft AEG Rifles $24.99
Sold out
Valken Airsoft Mock Suppressor - 14mm CCW
Valken Airsoft Mock Suppressor - 14mm CCW $32.99
Valken Polymer Pro Flash Hider Kit for M4 / M16 Series Airsoft Rifles - 14mm CCW
Valken Polymer Pro Flash Hider Kit for M4 / M16 Series Airsoft Rifles - 14mm CCW $15.99
VFC 14mm Negative MK2 3-Prong Flash Hider - Long
VFC 14mm Negative MK2 3-Prong Flash Hider - Long $23.99
VFC 14mm Negative MK2 3-Prong Flash Hider - Short
VFC 14mm Negative MK2 3-Prong Flash Hider - Short $23.99
WE Tech 14mm CCW Threaded Adapter for GBB Pistols
WE Tech 14mm CCW Threaded Adapter for GBB Pistols $9.99
WE Tech AKM Slant PMC Airsoft Rifle Metal Flash Hider
WE Tech AKM Slant PMC Airsoft Rifle Metal Flash Hider $19.99
Sold out
WE Tech M4 / M16 Airsoft Bird Cage Metal Flash Hider
WE Tech M4 / M16 Airsoft Bird Cage Metal Flash Hider $14.99
Sold out
WE Silencer Adapter - 14mm CCW - Niagara Quartermaster
WE Tech Silencer Adapter - 14mm CCW $9.99
WellFire AK74 Airsoft Muzzle Brake
WellFire AK74 Airsoft Muzzle Brake $19.99
Sold out
Wolverine Invictus Forged Series Flash Hider
Wolverine Invictus Forged Series Flash Hider $49.99
Wolverine Invictus Milspec Series Flash Hider
Wolverine Invictus Milspec Series Flash Hider $49.99
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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

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