My Gen 3 G21 slide that is cut for a RMR fits a Gen 4 G21. I have hundreds of rounds through it.
If you’re in a gunfight:
- If you’re not shooting, you should be loading.
- If you’re not loading, you should be moving.
- If you’re not moving, you’re dead.
Last edited by GWG19; 07-07-2014 at 21:16..