Dead Air Armament
MOJAVE PISTON 9MM M13.5X1LH#810128161893$89.00
Q
DIRECT MOUNT ERECTOR9 M13.5-1L#850000857810$70.00
Gemtech
PISTON GM9/MM9/TUNDRA 13.5X1LH#609728889340$80.00
HUXWRX
STICTION LOCK COMP M13.5X1LH#810176430057$103.00
Yankee Hill Machine Company
NIELSEN PISTON 9MM M13.5X1LH#841812101581$78.95
Heckler and Koch (HK USA)
USP9 TACTICAL 9MM 4.86″ 10+1#642230261020$1,749.00
SilencerCo
ASR 9MM FLASH HIDER M13.5X1LH#817272016901$94.00
Q
CHERRY BOMB MB M18-1.5 8.6BLK#850035705100$100.00
Dead Air Armament
GHOST PISTON M13.5X1LH#810128161060$89.00- Q
CHERRY BOMB MB M13.5X1LH#850000857773$100.00 
Chiappa Firearms
1892 CCH 44MAG BL/WD 16″ TB ##8053800941617$1,754.80- Heckler and Koch (HK USA)
USP9 TACTICAL 9MM 4.86″ 15+1#642230261501$1,749.00
Filter