FN Five Seven Mk2 & Mk3 Adjustable Rear Sight Spring

Description: FN Five Seven Mk2 & Mk3 Adjustable Rear Sight Spring. This steel coil spring with a black finish is designed for the Five-Seven adjustable rear sight and provides tension, allowing the elevation to be raised and lowered. The spring will fit FN Five-Seven Mk2 and Mk3 pistols chambered in 5.7x28mm and is a factory original part. To ensure proper fit and function always use factory original FN America replacement parts.

Note: It is recommended that all FN America parts be installed by a qualified and trained gunsmith.

Manufacturer: FN America

PRODUCT SPECIFICATIONS:

• Brand: FN America
• Caliber: 5.7x28mm
• Finish / Color: Black
• Firearm Type: Pistol
• Material: Steel
• Models Fit: FN Five-Seven