The D.S. Arms AR-15/M16 Carbine Recoil Spring is a standard-spec replacement buffer spring engineered to restore smooth, consistent cycling in AR-15 carbines. Built from high-grade coil spring steel, it is designed to retain its elasticity over thousands of compression cycles, while its properly finished ends help protect the inside of the buffer tube and the face of the buffer.

This dedicated carbine recoil spring is intended only for M4-type receiver extensions paired with a carbine-weight buffer, making it a straightforward upgrade for rifles and AR pistols that have begun to show cycling issues from a tired factory spring. Ideal for range use, training, and general-purpose shooting, it offers a simple, cost-effective way to improve reliability without modifying your existing setup. Backed by D.S. Arms’ reputation for dependable AR components, this spring is a practical choice for keeping your carbine running smoothly.

• Manufacturer: D.S. Arms
• Model: AR-15/M16 Carbine Recoil Spring
• Type: Recoil Spring
• Compatibility: M4-Type Receiver Extensions With Carbine-Weight Buffer
• Material: High-Grade Coil Spring Steel
• Shipping Weight: 0.068 kg
• Shipping Dimensions: 22 mm (Height) × 152 mm (Width) × 302 mm (Length)