VFC LAR OSW MK1: specs, joules & FPS

Complete specs VFC GBB (gas blowback)

VFC LAR OSW MK1, GBB: 1.21 J, 361 FPS, 3,465 g, 20 rounds. Full specs from the official source, with FPS for every BB weight.

Power

Energy · computed1.21 J

Velocity361 FPS110 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.

velocità ± 5 m/s; calcio pieghevole

Weighs 3,465 g: heavier than 84% of GBB replicas in the same category in the database (314 with weight).

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

Replica	Energy	FPS	Weight
VFC HK53 GBB	1 J	328	3,200 g
Tokyo Marui CQBR Block 1 GBB	0.95 J	320	3,110 g
Tokyo Marui M4A1 MWS	0.95 J	320	2,970 g
Novritsch SSQ22 Gen2 GBB	1 J	328	1,800 g
ARCHWICK Colt Canada L119A2 British Special Forces Rifle AWS GBB (Ultimate Edition)	0.95 J	320	2,810 g

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

Theoretical calculation at constant energy (1.21 J). Real-world values can differ slightly with hop-up and replica.

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

Spotted a wrong or missing value? Let us know.