I cut my own detent blocks out of old A2 pistol grips using my dremel. They are not as pretty as the factory block, but they work just the same.I have the gen 2 slide fire which is much better looking than the Gen1, I just wish they made more detent Blocks so I could have a couple of dedicated slidefire lowers without buying a whole 'nuther slidefire.9mm is an absolute blast with this thing.


