Colt M4/AR15 Carbine Buffer Action Spring

Colt M4/AR15 Carbine Buffer Action Spring P/N: 9390022

Factory Colt carbine-length buffer / action spring. Goes in the carbine receiver extension and works with the carbine buffer.

Features

• Genuine Colt factory part number 9390022
• Carbine-length action spring
• Fits M4 / AR-15 carbine receiver extensions
• Replacement for worn or tired springs
• Sold individually

Specs

• Manufacturer: Colt
• Part number: 9390022
• Type: Carbine buffer action spring
• Platform: M4, AR-15 carbine
• Fit: Carbine receiver extension / carbine buffer

This is the spring only. Buffer, receiver extension, and castle nut are sold separately. Use a carbine spring with a carbine tube, do not substitute a rifle-length action spring.