

SP-COW-CCT-AAP01-045
AAP01 Upgrade Hammer Spring Set
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Pickup available at Skirmshop Spain
Usually ready in 24 hoursAAP01 Upgraded Hammer Spring Set
Key Features
Includes 140% and 200% hammer springs Made from high-strength steel Enhances slide recoil For Action Army AAP01 and G Series
Important Notice
Your pistol may experience feeding issues due to light gas supply. You can resolve this issue by simply removing a spacer. Alternatively, you may consult your gunsmith to perform advanced adjustments and fix this problem.
FPS may increase; however, this may require additional supporting parts and advanced technical skills. Incorrect installation/adjustment may shorten the product’s lifespan.
*Note: Please be aware that installing parts/assembly/adjustment of an airsoft replica requires intermediate knowledge and is recommended for experienced users or airsoft-specialized gunsmiths. Please consult your specialized gunsmith for proper installation/adjustment. Adjustment may be necessary, as the condition of each airsoft replica may vary. Regular maintenance is required for all airsoft replicas to keep them in proper working condition and reduce wear on parts. Actual performance depends on the overall configuration of your airsoft replica. Please consult your airsoft-specialized gunsmith for advice. Strong threadlocker is required for installation. Apply a drop of threadlocker when installing the screw and allow it to cure overnight. Damage to the screw threads may occur if threadlocker is not used.
Pairs well with
In stock! Ships within 1-2 business days.
Complimentary shipping & returns

AAP01 Upgrade Hammer Spring Set
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Customer Support
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FAQ’s
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Contact Us
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FAQs
Please read our FAQs page to find out more.
Do I need an account to order?
No, but an account lets you save addresses, review orders, download invoices and manage wish‑lists.
When will my order ship?
Orders placed before 15:00 CET on business days ship the same day if the
items are in stock. A tracking e-mail follows automatically.
Can I change or cancel my order?
Yes, e-mail orders@skirmshop.nl or use the contact form before 15:00 CET on the shipping day
with your order number. After dispatch, changes aren’t possible.
Do you ship outside the EU?
Yes, the shipping rates and import taxes will be calculated at checkout.
What is the minimum age to buy an airsoft replica?
Please check your own governments regulations for the minimum required age.
Don't forget to send your ID.