The ERGO Carbine Action Spring is a carbine length action spring for AR15 and M4 Adjustable Stocks, made to M4A1 Mil-Spec specifications.
Features:
- Carbine Length Action Spring for AR15 and M4 Adjustable Stocks
- Made to M4A1 Mil-Spec specifications
Features:
- Carbine Length Action Spring for AR15 and M4 Adjustable Stocks
- Made to M4A1 Mil-Spec specifications