Tanaka Works U.S.M.C.M40 with Scope 3-9 x 40 With High Mount Ring Set - Gas Version: specs, joules & FPS

Complete specs Tanaka Works GBB (gas blowback)

Tanaka Works U.S.M.C.M40 with Scope 3-9 x 40 With High Mount Ring Set - Gas Version, GBB: 0.63 J, 260 FPS, 2,890 g, 10 rounds. Official specs.

Power

Energy · computed0.63 J
Velocity260 FPS79 m/s

Within Italy's 1 J limit

Energy computed from the velocity with 0.20 g BBs, the standard weight manufacturers and shops use to measure FPS.

For information only, based on the source's data for this version. Not legal advice: always check current local law and the version the shop sells.

Technical specifications

BrandTanaka Works
ModelU.S.M.C.M40 with Scope 3-9 x 40 With High Mount Ring Set - Gas Version
CategoryDMR & sniper rifles
Power sourceGBB (gas blowback)
Weight2,890 g
Length1,130 mm
Magazine10 rounds
Hop-upAdjustable

Weighs 2,890 g: lighter than 93% of GBB replicas in the same category in the database (14 with weight).

Similar alternatives

Same type and category, with similar power and weight.

ReplicaEnergyFPSWeight
Socom Gear Barrett M107 GBB Shell Ejecting0.63 J260–
VFC KAC M110 K11 J3283,090 g
Marushin M1 Garand Tanker Black (6mm Version)0.95 J3203,770 g
VFC KAC M110 SASS1.21 J3613,405 g
VFC KAC SR-25 ECC––3,090 g

Velocity with different BB weights

At the same energy, heavier BBs leave the barrel slower. Expected velocity with the most common weights:

BB weightFPSm/s
0.20 g26079
0.25 g23371
0.28 g22067
0.30 g21265
0.32 g20663
0.36 g19459
0.40 g18456

Theoretical calculation at constant energy (0.63 J). Real-world values can differ slightly with hop-up and replica.

Try other values in the joule ↔ FPS converter →

Data source

The values on this page come from the product page of the shop redwolfairsoft.com, checked on 2026-11-07. The manufacturer does not publish full specs: values may refer to the version that shop sells.

Shop product page ↗ redwolfairsoft.com

Spotted a wrong or missing value? Let us know.

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