AR-15 9.3" Carbine Round Buffer Tube, Aluminum, Black (.223/5.56)
- Not suitable for Mil-Spec stock or Commercial buttstocks (adjustable stocks).
- Not suitable for A2 fixed stocks
- Use with AR-15 carbine buffer parts*
* Tube has a welded disc 7 inches in, making the inside the same working length as a carbine tube - use AR-15 carbine spring + buffer (not included)
* Don't use AAST10 with an AR Pistol setup