[Special main spring] This is a main spring exclusively for GBLS DAS GDR-15.
[D90] is designed to reduce initial velocity by approximately 10% compared to the original spring.
[Domestically designed and made springs] Design and development are carried out by DCI Guns, and springs are produced domestically.
*Please note This product is for advanced users.
The gun will need to be disassembled and reassembled during installation.
Due to its characteristics, the initial initial velocity may be high when using the spring for the first time.
Depending on the condition and settings of the gun, the muzzle velocity may increase or decrease beyond the guideline value.
When assembling, make sure to adjust the initial velocity with a margin of error, measure it with a bullet velocity meter, and be sure to comply with laws and regulations.
Note
・Please note that the materials and specifications of the product may be changed without notice for the purpose of improving or improving functionality.
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About Shipping
Ordered items will usually be shipped within 2 business days (excluding Saturdays, Sundays, and holidays).
*Excluding cases where the number of days is separately stated on the product description page, and pre-ordered or back-ordered items.
Shipping costs: ■Honshu, Shikoku, Kyushu: 880 yen ■Hokkaido, Okinawa: 1,380 yen
Any number of items ordered at the same time can be shipped together for one shipping fee.
If you have any requests regarding delivery date and time, delivery to a branch office, etc., please enter them in the "Message to our store" box displayed on the shopping cart screen.
Returns and Exchanges
If you are not satisfied with your product, please contact us within 7 days of delivery and we will refund your money.
However, there are conditions for returns, so please see our "Refund Policy" for details.
![[DCI Guns] Main Spring for D90 GBLS DAS GDR-15](http://rock-et.jp/cdn/shop/files/DAS-MSP-D90-V10_1024x1024.jpg?v=1770711066)
![[DCI Guns] Main Spring for D90 GBLS DAS GDR-15](http://rock-et.jp/cdn/shop/files/DAS-MSP-D90-V10_1_1024x1024.jpg?v=1770711066)
![[DCI Guns] Main Spring for D90 GBLS DAS GDR-15](http://rock-et.jp/cdn/shop/files/DAS-MSP-D90-V10_medium.jpg?v=1770711066)
![[DCI Guns] Main Spring for D90 GBLS DAS GDR-15](http://rock-et.jp/cdn/shop/files/DAS-MSP-D90-V10_1_medium.jpg?v=1770711066)
This is a main spring exclusively for GBLS DAS GDR-15.
[Domestically designed and made springs]
Design and development are carried out by DCI Guns, and springs are produced domestically.
*Please note
This product is for advanced users.