Umarex MP5A5 Gen 2 GBBR (by VFC): specs, joules & FPS

Complete specs Umarex GBB (gas blowback)

Umarex MP5A5 Gen 2 GBBR (by VFC): 1.34 J, 380 FPS, 2,650 g, 30 rounds. Full specs from the official source, with FPS for every BB weight.

Power

Energy · computed1.34 J
Velocity380 FPS116 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.

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

BrandUmarex
ModelMP5A5 Gen 2 GBBR (by VFC)
CategorySMGs
Power sourceGBB (gas blowback)
PlatformMP5 MP7 MP9
Weight2,650 g
Length650 mm
Magazine30 rounds
Hop-upAdjustable

Weighs 2,650 g: heavier than 63% of GBB replicas in the same category in the database (67 with weight).

Similar alternatives

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

ReplicaEnergyFPSWeight
VFC MP5 A5 V2 GBBR1 J3282,830 g
VFC Umarex HK MP5K1 J3282,350 g
VFC Umarex HK MP5K Early Model1 J3282,350 g
Umarex Beretta PMX SMG GBB (by KWA)0.95 J3202,400 g
VFC MP5 K-PDW GBBR1 J3283,120 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 g380116
0.25 g340104
0.28 g32198
0.30 g31095
0.32 g30092
0.36 g28386
0.40 g26982

Theoretical calculation at constant energy (1.34 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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