- Short flash suppressor (6315RF, 6315KM-S, 6315XE-S) perfomrance
- RMR sight to plate screws vs. Holosun screws
- Making the case for closed bottom muzzle devices
- 6315KM and 6310KM installation
- On thread engagement
- Form vs. function
- Vltor RE-A5 vs RE10/A5SR
- TGF (Trigger Guard, Forward Controls)
- On overcorrection
- On Quality, a paper by JD Tomlinson