The Aero Precision Mil-Spec AR-15 Carbine Buffer Spring (Aero Precision part no. APRH100504C) is a mil-spec carbine spring for AR-15 carbines that run a collapsible buttstock. Aero Precision makes it in the USA, and it works either in a new build or as a direct replacement for a worn spring. A fresh buffer spring is one of the cheapest ways to restore a tired carbine’s recoil behavior. It is a plain, correct part for the AR-15 platform.

Key Specifications

• The part is a mil-spec carbine buffer spring.
• It is made for AR-15 carbines with a collapsible buttstock.
• The platform is AR-15.
• It is made in the USA by Aero Precision.
• It suits a new build or a direct replacement for a worn spring.

Frequently Asked Questions

What rifles is this spring made for? It is a mil-spec carbine buffer spring for AR-15 carbines with a collapsible buttstock.

Can I use it to replace a worn spring? Yes. Aero Precision lists it as a direct replacement for worn parts as well as a part for a new build.

Where is it made? Aero Precision makes it in the USA.

Buy the Aero Precision Mil-Spec AR-15 Carbine Buffer Spring

A buffer spring is the part that gets forgotten until a carbine starts cycling badly, and replacing it is quick and inexpensive. Order this spring from our Lubbock, Texas gun shop for fast, direct shipping, and see more Aero Precision parts in our AR buffer system parts selection.