Expo Arms AR-15 Carbine - Buffer Spring

Whether for a brand-new build, as a replacement component, or to keep on hand as a spare, the Expo Arms Carbine Length Buffer Spring will not let you down. Crafted from music wire, this action spring is designed for use with AR-15 carbine length receiver extensions.

Features:

• Carbine length
• Made from music wire
• Proudly made in the U.S.A.