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Airsoft

G&G Armament GR4 100Y PLASTIC BLOW BACK FOLDING

G&G Armament GR4 100Y PLASTIC BLOW BACK FOLDING — documented specs: caliber 6 mm BB, barrel length 233 mm (9.17 in), overall length 770 mm (30.31 in), capacity 450. The source for each figure is listed below the specs (catalog as of 10/16/2026).

Category
Airsoft
Era
Present (from 1991)
Origin
Taiwan
Calibers
6 mm BB

Specifications

Action
Electric (AEG)
Barrel length
233 mm (9.17 in)
Overall length
770 mm (30.31 in)
Capacity
450magazine

The catalog lists the same specs and calibers for G&G Armament GR4 100Y DST PLASTIC BLOW BACK FOLDING.

Sources

Specifications come from the source cited alongside them; counts are based on our catalog as of the date stated. Not legal advice: what follows from these figures in a given country is decided by that country’s law. Waffenschrank is not affiliated with the manufacturers named.

Other models in 6 mm BB

Models from other manufacturers in the same caliber, drawn from the catalog in no particular order — not a recommendation and not a comparison of specs.

Related

Catalog as of