Thoughts on AR-15 Buffers

From the Vuurwapen Blog. 

Money quote:

…the weight of the buffer is not as important when the action spring, extractor spring, magazine spring, etc are all in perfectly functional condition. The weight of the buffer becomes critical when said items begin to reach the end of their lifespan (or were never satisfactory to begin with), or when the weapon has been fired for thousands of rounds without any lubrication, or when various types of ammunition are used.

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