Luth-AR Carbine Buffer Spring for .223/5.56 NATO – Fits Carbine Receiver Extension (BS-10A)

• Carbine buffer spring designed for .223 and 5.56 NATO AR rifles
• Compatible with carbine receiver extension buffer tube systems
• Provides recoil spring function for cycling bolt carrier group
• Designed for AR-15 platform rifles using carbine buffer assemblies
• Supports reliable operation through consistent spring tension performance
• Replacement component for maintaining firearm cycling reliability

The Luth-AR Carbine Buffer Spring 223/5.56 is a buffer spring designed for recoil system operation in AR-15 rifles. This carbine buffer spring is intended for installation in carbine-length receiver extensions. It is used for maintaining proper cycling and recoil system function. In standard configurations, the Luth-AR Carbine Buffer Spring 223/5.56 fits AR-15 rifles with carbine-length buffer tubes.

The Luth-AR Carbine Buffer Spring 223/5.56 is categorized under long gun parts and constructed for reliable operation with .223/5.56 caliber platforms. The spring installs directly into carbine receiver extensions and interfaces with standard buffers. This model is designed for use in AR-15 carbine-length recoil systems. In practical use, it is suitable for range use or rifle maintenance requiring replacement of carbine buffer springs.