LBE Unlimited ARSPRG Carbine Length Recoil Spring AR-15 Silver

The LBE Unlimited ARSPRG carbine length recoil spring delivers consistent cycling performance for AR-15 platforms with carbine-length gas systems. This precision-manufactured spring maintains proper bolt carrier group function across various ammunition weights and environmental conditions.

What Makes This Different

Unlike standard recoil springs that can lose tension over time, the ARSPRG features enhanced spring steel construction with specific coil geometry optimized for carbine gas systems. The silver finish provides corrosion resistance while maintaining the precise spring rate needed for reliable cycling. This spring addresses common cycling issues found in carbine-length systems operating with suppressed configurations or varying ammunition loads.

Key Features

• Carbine-length specification engineered for 14.5" to 16" barrel configurations
• High-grade spring steel construction with consistent coil tension throughout service life
• Silver finish coating resists corrosion and environmental degradation
• Compatible with standard AR-15 buffer tubes and carbine buffer weights
• Maintains proper cycling pressure across multiple ammunition grain weights
• Drop-in replacement requiring no gunsmithing or modification
• Designed to function with both suppressed and unsuppressed configurations

Field testing demonstrates reliable cycling performance across temperature ranges from -20°F to 140°F. The spring maintains consistent bolt carrier velocity whether running lightweight 55-grain ammunition or heavier 77-grain loads. Competition shooters report improved consistency in rapid-fire strings, while tactical users note enhanced reliability during extended firing sessions. The corrosion-resistant finish proves particularly valuable in humid environments or marine conditions.

Technical Specs

• Length: Carbine specification (approximately 10.5 inches compressed)
• Material: High-carbon spring steel
• Finish: Silver corrosion-resistant coating
• Compatibility: AR-15 carbine buffer tubes and standard carbine buffers
• Gas system: Optimized for carbine-length gas systems
• Weight: Standard recoil spring weight specification
• Installation: Direct replacement, no modifications required

This recoil spring addresses the specific timing requirements of carbine-length gas systems where proper cycling depends on precise spring tension. The enhanced metallurgy and protective finish ensure consistent performance through thousands of rounds while maintaining the exact specifications needed for reliable AR-15 function.