The Brownells AR-15 Carbine Buffer is a firearm component designed for use in AR-15 style rifles. Specifically, it is a part of the rifle's buffer system. The buffer system is an essential part of the firearm's operation, helping to control the cyclic action of the rifle when firing.
The AR-15 Carbine Buffer, like other buffers, is usually made of metal, typically aluminum or steel, and it is designed to fit into the receiver extension (buffer tube) of an AR-15 rifle. It plays a role in managing recoil and ensuring the rifle cycles correctly during firing. The AR-15 Carbine Buffer is typically used in carbine-length AR-15 configurations.
Brownells is a well-known supplier of firearm accessories, parts, and tools, and they offer a variety of AR-15 buffer options, including carbine buffers, which are designed to be compatible with carbine-length gas systems and barrels. The specific design and weight of the buffer can affect the rifle's performance and recoil characteristics, so choosing the right buffer for your AR-15 build is important.