VFC M40A5 Asia: specs, joules & FPS

Complete specs VFC Spring

VFC M40A5 Asia, spring: 1.69 J, 427 FPS, 4,500 g, 14 rounds. Full specs from the official source, with FPS for every BB weight.

Power

Energy · computed1.69 J
Velocity427 FPS130 m/s

Above Italy's 1 J limit

Italian shops sell versions tuned below 1 J: ask the shop which version they ship.

Energy computed from the velocity with 0.20 g BBs, the standard weight manufacturers and shops use to measure FPS.

Velocity declared in m/s by the source and converted to 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

BrandVFC
ModelM40A5 Asia
Manufacturer codeVF4-M40A5G-OD01
CategoryAssault rifles & carbines
Power sourceSpring
PlatformM40
Weight4,500 g
Length1,160 mm
Inner barrel555 mm
Magazine14 rounds

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Weighs 4,500 g: heavier than 89% of spring replicas in the same category in the database (54 with weight).

Similar alternatives

Replicas of the same type and category that stay within the Italian 1 J limit.

ReplicaEnergyFPSWeight
Tokyo Marui M40A50.84 J3003,400 g
KTW Lee Enfield No.4 Sniper Classic Rifle (Spring Power)0.84 J3003,360 g
Tokyo Marui VSR-ONE0.84 J3002,100 g
Tokyo Marui VSR-ONE Gold Edition0.84 J3002,100 g
KTW Winchester M1873 Carbine Custom Rifle0.75 J2852,270 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 g427130
0.25 g382116
0.28 g361110
0.30 g349106
0.32 g338103
0.36 g31897
0.40 g30292

Theoretical calculation at constant energy (1.69 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 VFC product page ↗ vegaforce.com

Spotted a wrong or missing value? Let us know.

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