Springs and Buffers

Gunsmithing the AR: 3 Tips for Buffers & Recoil Springs

Some of the carbine buffers can be found made of a plastic moulding instead of machined aluminum. These will be filled with lead shot. While they weight much the same as the proper aluminum carbine buffer, they are a cause of unreliable function. A carbine containing this buffer should have the wretched plastic abomination exchanged for a proper buffer.

“Wretched plastic abomination.” Nice.