KSC USP Compact (ABS Version, Japan Market Version): specs, joules & FPS

Complete specs KSC GBB (gas blowback)

KSC USP Compact (ABS Version, Japan Market Version), GBB: 0.75 J, 285 FPS, 710 g, 21 rounds. Official specs.

Power

Energy · computed0.75 J
Velocity285 FPS87 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

BrandKSC
ModelUSP Compact (ABS Version, Japan Market Version)
CategoryPistols
Power sourceGBB (gas blowback)
PlatformUSP
Weight710 g
Length173 mm
Magazine21 rounds
Hop-upAdjustable

Weighs 710 g: lighter than 75% of GBB replicas in the same category in the database (466 with weight).

At 0.75 J it is more powerful than 33% of GBB replicas in the same category that stay within 1 J (351).

Similar alternatives

Same type and category, with similar power and weight.

ReplicaEnergyFPSWeight
Tokyo Marui USP Compact0.75 J285685 g
Tokyo Marui AM .450.73 J280735 g
VFC SA 3200.81 J295675 g
Umarex USP Compact GBB (Black) (by KWA)0.84 J300730 g
VFC SA 226T0.81 J295765 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 g28587
0.25 g25578
0.28 g24173
0.30 g23371
0.32 g22569
0.36 g21265
0.40 g20261

Theoretical calculation at constant energy (0.75 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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