ASG B&T USW A1 Green Gas - Black (by ASG & KJ Works): specs, joules & FPS

Complete specs ASG GBB (gas blowback)

ASG B&T USW A1 Green Gas - Black (by ASG & KJ Works), GBB: 0.95 J, 320 FPS, 1,000 g, 24 rounds. Official specs.

Power

Energy · computed0.95 J
Velocity320 FPS98 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

BrandASG
ModelB&T USW A1 Green Gas - Black (by ASG & KJ Works)
CategoryPistols
Power sourceGBB (gas blowback)
PlatformUSW
Weight1,000 g
Length255 mm
Magazine24 rounds
Hop-upAdjustable

Weighs 1,000 g: heavier than 77% of GBB replicas in the same category in the database (466 with weight).

At 0.95 J it is more powerful than 87% 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
Novritsch SSP2 Gen2 GBB1 J–957 g
Novritsch SSP5 4.3″ GBB0.84 J300981 g
Novritsch SSP28 Split-Slide GBB0.95 J320823 g
Umarex H&K HK45 GBB - Black (by KWA)1.01 J330880 g
RWC Inokatsu M&P9 Steel Slide Custom0.95 J320760 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 g32098
0.25 g28687
0.28 g27082
0.30 g26180
0.32 g25377
0.36 g23973
0.40 g22669

Theoretical calculation at constant energy (0.95 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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