Specna Arms Knight's Armament KS-1 VAPOR GBBR 13.7: specs, joules & FPS
Partial data GBB (gas blowback)
Specna Arms Knight's Armament KS-1 VAPOR GBBR 13.7: 340 FPS, 2,775 g, 30 rounds. Full specs from the official source, with FPS for every BB weight.
Power
Energyn/a
Velocity (FPS)340
Velocity (m/s)n/a
Power not declared
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
| Brand | Specna Arms |
|---|---|
| Model | Knight's Armament KS-1 VAPOR GBBR 13.7 |
| Manufacturer code | SPE-02-049144 |
| Category | Assault rifles & carbines |
| Power source | GBB (gas blowback) |
| Platform | AR15/M4 |
| Weight | 2,775 g |
| Length (collapsed / extended) | 775 / 860 mm |
| Inner barrel | 330 mm |
| Magazine | 30 rounds |
| Hop-up | n/a |
| EAN / UPC | n/a |
green gas
Data source
The values on this page come from the product page of the shop gunfire.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 ↗ gunfire.com
Not declared by the manufacturer: Energy.