pump action ar 15 slide assist
- Thread starter Grumpy
- Start date
Bentwood Gunsmithing UMOS | The Loadout Room
Every once in a great while, somebody comes up with a simple idea and then does the hard work to build an elegantly simple design. The Bentwood
The UMOS – Universal Manual Operating System Pump Action AR-15 Kit
That is not a free-float fore-end. Your eyes do not deceive you. It is indeed a pump-action AR-15, named the UMOS.
www.thefirearmblog.com
Bentwood Gunsmithing UMOS | The Loadout Room
Every once in a great while, somebody comes up with a simple idea and then does the hard work to build an elegantly simple design. The Bentwood
Last edited: