BO HPA M4 mag adapter for Hi-Capa series - BLACK / EU - View larger

BO HPA M4 mag adapter for Hi-Capa series - BLACK / EU


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74,92 € tax excl.

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More info

A 300 rounds magazine on your GBB ! This adapter makes it possible to connect an M4 mag to a GBB HI-CAPA AW Custom HX series, Tokyo Marui, WE, RAVEN, VORSK and Lancer Tactical pistol, and to connect it to HPA (Compressed air in bottle). Required for Speedsoft, SpeedQB, AirQB and FCC, Thanks to the Speedsoft teams supported by BO Manufacture, these adapters are tested and directly based on feedback from players on the playground.

  • HPA elbow fitting for better handling
  • Single stack bbs line.
  • M4 magazine eject button on the left of the adapter

This adapter is designed to operate between 90 and 120 psi.

This HPA adapter can be ordered with a GBB magazine already fitted, check it out here

Data sheet

HPA Fitting typeEU
Output pressureMax 120 PSI


Magazine advice

Despite everything you can read on the internet and on on the manufacturer's manual, we recommend that you never introduce silicone or grease into airsoft magazines. Greasing has a devastating effect on a replica since it will directly grease the hop-up rubber and inner barrel, resulting in a loss of precision and even more accentuated dust fixing. Never introduce chemical products such as grease, silicone spray or any other kind into the magazine, the hop-up unit, the BBs, the internal parts of the AEGs. The silicone is only used on pneumatic parts such as a gearbox cylinder or a moving O-ring. Special recommandation regarding Mid-cap Magazine :

  • Limit the number of bbs by 70-80% of the mid-cap capacity, never force the introduction of the BBs with a BB loader.
  • Too many BBs can slow down the operation of the nozzle and that can have repercussions on the trajectory of the bbs and the feed.
  • If you want to keep your magazine for many years, it is also imperative for not working the spring to the maximum of its capabilities.
  • Never store your magazine filled for a long period of use, the spring loaded for a long time may be irreparably damaged with a settling effect.
  • Use BBs with irreproachable sphericity

Questions  (1)

A partir de João | 2022-11-21 23:26:53

this works on mag off the hi-capa tokio marui?


Yes No problem.
Best regards.

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