JBU Performance Upgrade Kits
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JBU Performance Kits These are some of the best kits for the money. If you are looking to achieve a 400+ fps, then these kits can help get you there. Includes: M120 Spring, Reinforced Piston, Metal Spring Guide with Bearing, Aluminum Air Nozzle, 2 port Cylinder, Aluminum Cylinder Head and Piston Head. NOTE: Many experienced players will also purchase and install a new reinfoced piston, metal shims and possibly some heavy-duty gears for maximum durability. Some AEG's may require a stonger battery to power the 120 stainless spring. Please email our tech dept or call us at our store if you have any questions. [Use dropdown box below to choose your airsoft kit] |
AK Beta (Spetsnaz) 120 - JA-43 |
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AK Beta (Spetsnaz) 120 Regular Price: $59.95On Sale For: $44.00 |
AK47 120 - SDJA44 |
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AK47 120 Price: $59.95 |




