Atlantic Arms MFG Model AA 89 KFS 9mm Reverse Stretch Pistol. The AA 89 KFS is built using the Original system delayed blowback operated 9mm with a roller-delayed bolt . has the shorter front end with a 6 inch barrel and sports the full sized receiver . This is often referred to as a Reverse Stretch and allows you to install the standard MP5 Collapsing stock or A2 style stock .
You can read more about the AA 89 KFS Pistol in our listing HERE
