ASG MK 23 Special Operations Gas Non Blow Back: specs, joules & FPS

Partial data Gas NBB (non-blowback)

ASG MK 23 Special Operations Gas Non Blow Back, NBB: 0.72 J, 278.87 FPS, 28 rounds. Full specs from the official source, with FPS for every BB weight.

Power

Energy0.72 J
Velocity (FPS)278.87
Velocity (m/s)85

Within Italy's 1 J limit

For information only, based on the energy the manufacturer declares for this version. Not legal advice: always check current local law and the version the shop sells.

Technical specifications

BrandASG
ModelMK 23 Special Operations Gas Non Blow Back
Manufacturer code14763
CategoryPistols
Power sourceGas NBB (non-blowback)
PlatformASG generic
Weightn/a
Length (collapsed / extended)245 / 427 mm
Inner barrel130 mm
Magazine28 rounds
Hop-upAdjustable
EAN / UPC5707843002745

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 g27885
0.25 g24976
0.28 g23572
0.30 g22769
0.32 g22067
0.36 g20763
0.40 g19760

Theoretical calculation at constant energy (0.72 J). Real-world values can differ slightly with hop-up and replica.

Try other values in the joule ↔ FPS converter →

Data source

Every value on this page comes from the manufacturer's official product page, checked on 2026-11-07.

Official ASG product page ↗ actionsportgames.com

Not declared by the manufacturer: Weight.

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