This is a nut part for mounting the inner barrel exclusively for the company's CNC Hop Up Chamber AR15 ULTRA .
Great for spare parts or custom bases.
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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.
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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.
![[RETRO ARMS] CNC Union Nut for Hop chambers AR15 ULTRA](http://rock-et.jp/cdn/shop/files/RETRO-9502_1024x1024.png?v=1750318670)
