Tokyo Marui Python 357 2.5 inch: specs, joules & FPS

Complete specs Tokyo Marui GBB (gas blowback)

Tokyo Marui Python 357 2.5 inch, GBB: 0.84 J, 300 FPS, 490 g, 6 rounds. Full specs from the official source, with FPS for every BB weight.

Power

Energy · computed0.84 J

Velocity300 FPS91 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

Brand	Tokyo Marui
Model	Python 357 2.5 inch
Category	Pistols
Power source	GBB (gas blowback)
Platform	PYTHON
Weight	490 g
Length	200 mm
Magazine	6 rounds
Hop-up	Fixed

Weighs 490 g: lighter than 95% of GBB replicas in the same category in the database (466 with weight).

At 0.84 J it is more powerful than 49% of GBB replicas in the same category that stay within 1 J (351).

Similar alternatives

Same type and category, with similar power and weight.

Replica	Energy	FPS	Weight
G&G Piranha TR GBB	0.84 J	300	470 g
G&G Piranha MK1 GBB	0.84 J	300	450 g
G&G Piranha SL GBB	0.84 J	300	450 g
G&G GTP9 MS GBB	0.84 J	300	460 g
G&G GTP9 Rose Gold GBB	0.84 J	300	460 g

Velocity with different BB weights

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

BB weight	FPS	m/s
0.20 g	300	91
0.25 g	268	82
0.28 g	254	77
0.30 g	245	75
0.32 g	237	72
0.36 g	224	68
0.40 g	212	65

Theoretical calculation at constant energy (0.84 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.