1. Nqa lub phaj chamfered nrog sab hauv thiab sab nraud radius rau hauv daim ntawv S-professional
2. Lub tshuab ntswj cov hlau rau sab hauv cov kab nkhaus
3. Lub tshuab ncab nthuav cov hlau ntawv rau sab nraud nkhaus
| Qauv | SS-18 | SS-18FD | SS-16F | FSM-16 |
| Peev Xwm | 1.2 hli | 1.2 hli | 1.5 hli | 1.5 hli |
| Qhov tob ntawm caj pas | 25.4 hli | 25.4 | 208 hli | 152 hli |
| Qhov loj ntawm cov khoom ntim | 46x20x13cm | |||
| NW/GW | 5.5/5.8kg |