Description Description COLT CAR15,M4 .223 & SMG 9MM, EXTRA Power ACTION (BUFFER) SPRING Colt AR15, M16, Sporter, CAR-15, M4, & 9mm SMG action springs available in reduced power, factory standard, and extra power.
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Gasket: Filter ElementSelect options
This product has multiple variants. The options may be chosen on the product page
Valve Stem Assembly: Right Angle: Chrome
Hand Control Switch