【KJWORKS】MK1 Pistol-Specific Rear Sight Rail Mount (Releasing Late October 2026)

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.