The best airsoft gun is the one you tuned yourself. Hop-up and barrel parts for accuracy, gearbox and motor parts for speed and reliability, electronics for trigger feel, externals for looks.
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MS90 Non-Linear Spring
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ARES AS-01 HopUp Adjustment Lever Type B
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MR. Hop Up Rubber 50° for AEG
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Hot Shot Hop Up Rubber 75° for GHK
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6.03 EG Barrel W 363mm
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M85 Spring
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Spring Guide for Striker S1
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G-Series Fixed Outer Barrel Type A 14mm Thread
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6.02 Inner Barrel for KWA M4 GBB 440mm
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Kriss Vector Magazine Release
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6.03 AEG Inner Barrel 310mm
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6.03 AEG Inner Barrel 410mm
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6.03mm VSR Barrel 430mm
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6.01 Black Python II Barrel 455mm
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Infinite Torque-Up Revolution Motor Short
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Nozzle Double Sealing 24.70 mm
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6.03mm AEG Barrel 363mm
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WE Galaxy 1911 CNC Hop Up Unit
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Diamond Hop Up Rubber 80° for AEG
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Pulsar D HPA Engine without ETU
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Polycarbonate Ventilation Piston Head
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6.04 Crazy Jet Inner Barrel for GBB 200mm
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Gearbox V2 Trigger Spring
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VSR MAGNUM Vortex High Volume CylinderMost airsoft upgrades are about accuracy before power. A new hop-up bucking and nub and a tight-bore inner barrel are cheap, reversible and make a stock AEG shoot further and straighter than any extra fps would. Next comes reliability: a gearbox with steel gears, a proper shim job, a polycarbonate piston and a bearing spring guide survives an 11.1 V battery. A high-torque motor sharpens the trigger response, and a MOSFET or electronic trigger unit protects the contacts and adds programmable fire modes. Only then think about a stronger spring, if your site limit allows it.
Gas blowback pistols and rifles have their own wear parts: nozzles, valves, hammers and slides are listed under GBB parts. Players who convert an AEG to high-pressure air find engines, regulators, tanks and lines in HPA parts. Externals cover the outside of the gun: handguards, stocks, receivers, outer barrels and pistol grips, which change how the gun handles as much as how it looks.
Use the compatibility and gearbox version filters on every sub-category, because a V2 part does not fit a V3 gearbox and a VSR-10 part does not fit an L96. Parts are unrestricted goods with no age limit, but remember that raising the energy of an airsoft gun must keep it inside the legal limit of your country and the chronograph limit of your site.
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