The Knights Armament Action Spring For SR-25 is a factory replacement buffer spring engineered specifically for SR-25 and M110 carbines using a collapsible stock. Built from quality steel and tuned to Knight’s Armament specifications, it helps maintain consistent cycling and reliable bolt return in .308/7.62 AR-pattern rifles.

This carbine-length spring measures approximately 13 3/4 inches and is intended as a direct drop-in part for SR-25 and M110 platforms that see regular range time or high round counts. It is well suited for shooters maintaining a duty-style rifle or precision gas gun, supporting smooth operation and predictable recoil characteristics. Knight’s Armament is known for carefully engineered components that support long-term durability and dependable performance.

Key Features:

• Manufacturer: Knights Armament
• Model: Action Spring For SR-25 (24363 / KM24363)
• Material: Steel
• Length: 13 3/4"
• Compatibility: SR-25 / M110 carbines with collapsible stocks
• Item Weight: 0.080 lbs