CMMG Buffer Assembly AR-15 Carbine, Model 55CA977, Silver Finish, Fits M4/Carbine Buffer Tubes.

CMMG Buffer Assembly for AR-15 carbines with carbine-length buffer tubes. Silver finish; direct replacement part for carbines with carbine receiver extensions. Made by CMMG and used in their 6-position M4 stock kits. - Silver finish buffer for AR-15 carbines - Compatible with carbine action springs and buffer tubes - Used in CMMG 6-position M4 stock kits This assembly provides a straightforward replacement solution for standard AR-15 or M4 carbines utilizing carbine receiver extensions. Its construction and compatibility support reliable use in a range of AR-15 carbine builds.