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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6.03 Barrel 500mm for Marui VSR-10
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6.04 Crazy Jet Barrel for VSR-10 G-Spec 303mm
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VSR-10 Cylinder Opener
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Gearbox Screw Kit
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UGS Type 2 12g Co2 Milspec
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Kriss Vector GBB Custom Hop Dial
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Metal Spring Guide with Bearing V2
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QD Spring Guide for G2/G2H
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V2 Padded Cylinder Head
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Anti Icer Nozzle Kit ZERO1+ WE M4/416/ACR GBB
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Hard Piston for Next Gen V2
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VSR-10 Spring Guide with Smooth Bearing
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LCK Dummy Bolt Kit - Long
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W Hold Chamber Packing for AEG 70 Degree
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6.01 / 87mm GBB Inner Barrel for G19
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Spur Gear Assembly
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Air Nozzle for Krytac M4
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6.01mm VSR-10 Barrel 380mm
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Advanced R-Hop Arm for VFC
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VSR-10 Stainless Steel Cylinder Set M165
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High Torque-Up Motor Short Type
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M4 GBR Part No. 54 Bolt Catch
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SRS-A1 Hop Up Chamber
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MP5 Air Seal NozzleMost 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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