Aero Precision Buffer Spring Features The Aero Precision Buffer Spring is manufactured to Mil-Spec dimensions ensuring consistent buffer tension and reliable bolt carrier cycling in AR-15 carbines. As a direct drop-in component it requires no additional fitting making it a straightforward swap for a worn or damaged factory spring. Consistent spring tension matters for reliable feeding extraction and lockback so using a properly specced replacement helps maintain the rifle s overall reliability. The silver finish is easy to visually identify against other spring and buffer system components during maintenance. This spring is specifically sized for carbine length buffer tubes used with collapsible buttstocks and it is not intended for rifle length A2 or A4 configurations with a fixed stock. Builders assembling a new AR-15 carbine can use this spring as a cost effective Mil-Spec correct component rather than sourcing an unknown spring of uncertain quality. Made in the USA it reflects the same quality standard Aero Precision applies across its AR-15 parts catalog. For a reliable correctly specced carbine buffer spring this is a sensible addition to any AR-15 build or repair kit available for sale at GrabAGun. Aero Precision Buffer Spring Specifications Manufacturer: Aero Precision Model: Buffer Spring Type: Buffer Spring Color: Silver Style: Mil-Spec Compatible Hosts: AR-15 Carbine Available At: GrabAGun