Not exactly new as we have posted the existence of this product from King Arms last  19 of June with the exception that there's a new photo and product links to the King Arms website for purchasers to refer to when placing bulk orders. The scope mountbase is for the VSR-10/M700 sniper rifle and shooters can choose the length of the mount base to suit their requirements.

Item Code: KA-MB-14
Name: VSR-10 / M700 Series Modular Accessory Rail System
Color: Black
Material: Aluminum alloy
Length: 445 mm
Weight: 385 g
Description: The Modular Accessory Rail System is designed to support the installation of aiming devices. This product can fit KJ Woks, Tanaka Works and King Arms Model M700 series, and the Tokyo Marui VSR-10.
Package includes:

• Spacer x 1
• Pin x 1
• Hex key x 1
• Screws x 9

Item Code: KA-MB-15
Name: VSR-10 / M700 Series Extension Mount Base (Short)
Color: Black
Material: Aluminum alloy
Length: 163 mm
Weight: 102 g
Description: The Modular Accessory Rail System is designed to support the installation of aiming devices. This product can fit KJ Woks, Tanaka Works and King Arms Model M700 series, and the Tokyo Marui VSR-10.
Package includes:

• Spacer x 1
• Pin x 1
• Hex key x 1
• Screws x 9

Item Code: KA-MB-16
Name: VSR-10 / M700 Series Extension Mount Base (Long)
Color: Black
Material: Aluminum alloy
Length: 263 mm
Weight: 139 g
Description: The Modular Accessory Rail System is designed to support the installation of aiming devices. This product can fit KJ Woks, Tanaka Works and King Arms Model M700 series, and the Tokyo Marui VSR-10.
Package includes:

• Spacer x 1
• Pin x 1
• Hex key x 1
• Screws x 9"