Black M98C
J&J Ceramic 14
Smart Parts Teardrop 14
Smart Parts 2002 All American 14
CP Flame Drop Forward
12 oz. Crossfire CO2 tank w/ Smart Parts on/off valve
Strengths:
Seals better and last longer than most of the other on/offs. Also has a faster recharge rate than any other I have used.
Weaknesses:
If you play in sand like I do, It gets all stuck under the knob and its impossible to get out.
Conclusion:
Best of the on/offs I have used. What do you expect? its Smart Parts!