Thompson MachineNeptune9
9mm / .36 Cal suppressor · Thompson Machine Neptune9 Piston interface · specs and compatibility from the manufacturer
Notable features
- User Serviceable
length
5.25″
weight
6.3oz
MSRP
$495
length
5.25″
weight
6.3oz
calibers
9mm
material
Steel · Aluminum
interface
Thompson Machine Neptune9 Piston
MSRP
$495
- Overall length
- 5.25″
- Class
- 9mm / .36 Cal
- n
- 202
- Range
- 3.5″–13.7″
- Median
- 6.95″
- Diameter
- 1.25″
- Class
- 9mm / .36 Cal
- n
- 202
- Range
- 1″–2″
- Median
- 1.5″
- Weight
- 6.3 oz
- Class
- 9mm / .36 Cal
- n
- 202
- Range
- 2.5 oz–23 oz
- Median
- 9.65 oz
- Material
- 17-4 Stainless and Hard-Anodized 6061 T6
- Finish / treatment
- Anodized Matte Black
- Max caliber
- 9mm
- Base interface
- Thompson Machine Neptune9 Piston
- Maintenance
- User serviceable
- MSRP
- $495
- Class
- 9mm / .36 Cal
- n
- 176
- Range
- $260–$2,888
- Median
- $802
Shorter than most 9mm / .36 Cal suppressors
Length compared against the 202 9mm / .36 Cal suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Narrower than most 9mm / .36 Cal suppressors
Diameter compared against the 202 9mm / .36 Cal suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Lighter than most 9mm / .36 Cal suppressors
Weight compared against the 202 9mm / .36 Cal suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Cheaper than most 9mm / .36 Cal suppressors
MSRP compared against the 176 9mm / .36 Cal suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Prices are manufacturer's suggested retail (MSRP). What you pay may differ.
- Base interface
- Thompson Machine Neptune9 Piston
This suppressor's Thompson Machine Neptune9 Piston takes no separate mount. 2 boosters in our catalog attach to it directly.
Which ones fit your barrel and host?
Check in the BuilderManufacturer claim
- Thompson Machine claims multi-caliber ability: very quiet on .22lr, .25acp, .32acp, 9x18mm and .380acp hosts.
- Thompson Machine claims that when fired wet and wiped the Neptune9 achieves near total flash signature suppression along with up to 28dB of sound reduction.
- Engineered at the behest of US Navy SOCOM and tested in adverse environments across host firearms.
- Thompson Machine builds mono-core suppressors engineered for full user serviceability; the company introduced its first suppressor in 1991 and its first Mono-Core suppressor in 1998.
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- At 6.3 oz, 5.25" long and 1.25" in diameter it still allows the use of standard height sights.
- The Neptune9 includes one piston in your choice of 1/2-28 or 13.5x1LH.
- A recoil booster deactivating spacer is available for fixed-barrel host firearms.