Internal Parts
Airsoft Megastore offers a wide variety of internal replacement and upgrades parts for AEGs, gas blowback weapons, and bolt action sniper rifles. Our selection features components from manufacturers such as Systema, JBU, SHS, Element, and G&G, and includes inner barrels, gears, motors, pistons, springs, hop-up units, and much more! We are committed to bringing you the best airsoft gun components on the market at the lowest prices anywhere!
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JBU Airsoft Ball Bearing Spring Guide for Ver. 3 Metal Gearboxes
Brand:JBU
JBU's Steel Ball Bearing Spring Guides are a must for anyone installing an upgraded spring in their Version 3 metal gearbox. These steel ball bea...
$15.95
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JBU Aluminum Full Seal Cylinder for Medium to Long Barreled AEGs
Brand:JBU
The JBU Full Seal Aluminum Cylinder is perfect for replacing or upgrading stock AEG cylinders. This full seal cylinder is constructed entirely f...
$13.95
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JBU Airsoft Upgrade: M150 Grade Spring for AEG [420 - 450 FPS]
Brand:JBU
This JBU M150 Airsoft upgrade spring is made for most-all airsoft metal gearbox AEGs. Constructed of oil-temper steel wire with an irregular pit...
$17.44
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JBU Airsoft Upgrade: M100 Grade Spring for AEG [320 - 340 FPS]
Brand:JBU
This JBU M100 Airsoft upgrade spring is made for most-all airsoft metal gearbox AEGs. Constructed of oil-temper steel wire with an irregular pit...
$16.95
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JBU Reinforced Polycarbonate Piston w/ Full Steel Teeth
Brand:JBU
The JBU polycarbonate AEG piston is a high-quality, precision performance aftermarket upgrade. The piston body is crafted out of high-grade, imp...
$18.95
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JBU Airsoft 6.01mm P226 GBB Pistol Tightbore Barrel - 97mm
Brand:JBU
JBU's inner barrels are made from high tensile, aircraft grade aluminum, using precision CNC machining.
$18.95
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JBU Full Metal Version 3 Airsoft AEG Cylinder Head w/ Buffer Pad
Brand:JBU
The JBU Version 3 CNC machined aluminum cylinder head is designated for use in AK series and other Version 3 gearbox installed AEGs. It is precis...
$18.95
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