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CMMG
The CMMG AR-15 Buffer Retainer Parts Kit keeps your AR-15's buffer assembly secured and functioning reliably. This straightforward parts kit includes the buffer retainer pin and spring—essential components that work together to hold your buffer in place during cycles. Whether you're building a rifle from scratch, doing a maintenance refresh, or replacing worn retention hardware, this kit delivers the OEM-spec parts you need to keep your AR-15 running safely and without rattle.
CMMG has been designing and manufacturing AR-pattern rifles and components since 2002, building a reputation for understanding what shooters and builders actually need. This buffer retainer kit reflects that heritage: it's a no-frills, focused solution for one of the most fundamental AR-15 assemblies. The pin and spring work quietly in the background, but they're critical to preventing the buffer from shifting inside the tube.
If you're assembling an AR-15 lower receiver, swapping out damaged retention hardware, or stocking a gunsmith's shelf, the CMMG buffer retainer parts kit is a dependable choice. It's the kind of component that doesn't demand attention until you need it—and when you do, having the right parts on hand makes all the difference.
Yes—this kit is designed specifically for AR-15 rifles and includes the pin and spring needed for standard AR-15 buffer tube assemblies.
The kit contains a buffer retainer pin and a buffer retainer spring. These two components work together to hold your buffer securely in place.
During lower receiver assembly, if your existing pin or spring is damaged or lost, or as part of routine maintenance. Worn or damaged retention hardware can lead to buffer shift and reliability issues.
CMMG
The CMMG AR-15 Buffer Retainer Parts Kit keeps your AR-15's buffer assembly secured and functioning reliably. This straightforward parts kit includes the buffer retainer pin and spring—essential components that work together to hold your buffer in place during cycles. Whether you're building a rifle from scratch, doing a maintenance refresh, or replacing worn retention hardware, this kit delivers the OEM-spec parts you need to keep your AR-15 running safely and without rattle.
CMMG has been designing and manufacturing AR-pattern rifles and components since 2002, building a reputation for understanding what shooters and builders actually need. This buffer retainer kit reflects that heritage: it's a no-frills, focused solution for one of the most fundamental AR-15 assemblies. The pin and spring work quietly in the background, but they're critical to preventing the buffer from shifting inside the tube.
If you're assembling an AR-15 lower receiver, swapping out damaged retention hardware, or stocking a gunsmith's shelf, the CMMG buffer retainer parts kit is a dependable choice. It's the kind of component that doesn't demand attention until you need it—and when you do, having the right parts on hand makes all the difference.
Yes—this kit is designed specifically for AR-15 rifles and includes the pin and spring needed for standard AR-15 buffer tube assemblies.
The kit contains a buffer retainer pin and a buffer retainer spring. These two components work together to hold your buffer securely in place.
During lower receiver assembly, if your existing pin or spring is damaged or lost, or as part of routine maintenance. Worn or damaged retention hardware can lead to buffer shift and reliability issues.
