BCA Service Spring Change Service GBB Hopup and Units manufacturing and distributing lubricants and

manufacturing and distributing lubricants and consumer goods

Large 28 rd loading capacity

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case hardened and then given a chemical coating for even more durability

Please inquire prior to purchasing if you are looking for the original packaging/box

BCA Service Spring Change Service GBB Hopup and Units manufacturing and distributing lubricants andBBA will change the spring on most AEGs and BASRs while you wait. After you provide us with a maximum FPS, we will return the gun to you in a 20 FPS range (without going higher than the limit). So, for instance, if you want 400 FPS, the gun will return to you shooting 380 400 FPS. Guns are classified as: Quick Spring Change Semi Quick Spring Change Spring Change Associated fees vary based upon classification. Please ask for more information if