Creeper Concepts HPA M4 mag adapter for Glock / AAP Gen 3 - US


New product

New generation, Gen 3!

More details

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83,25 € tax excl.

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More info

New generation of the Creeper concepts adapter has arrived!

This is an adapter printed using Selective Laser Sintering (SLS) technology, which allows you to connect an m4 magazine to your glock pistol or the action army AAP-01

Regulator and m4 magazine are not included. 

Some custom points with our latest adapters:

  • Hpa tap is fully tilted
  • Single stack
  • Straight BB channel for better feeding
  • Mechanical BB stop
  • Mag release has been incorporated into the design
  • Use of multiple brands of magazines now possible
  • Lighter product (weighs only 57 grams!)
  • New material for higher durability and impact strength

We recommend using a 5.1 magazine.


Check the connector you are using US or EU, you must be 100% sure before purchasing this item.

This adapter is designed to operate between 90 and 120 psi. Works primarily with PTS EPM loaders

Pistol magazine not included, M4 magazine not included.


Data sheet

Weight57 gr
Main colorBlack
HPA Fitting typeUS
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  (5)

A partir de Nikos | 2023-10-23 12:39:32

Hello, what kind of line should i use with this? 6mm US or 8mm US? ( i guess 8mm?)
Thanks in advance.


Good morning;
both types of line will be compatible.
Best regards.

A partir de Maxime | 2023-06-09 22:13:02

bonsoir, on peut mettre un chargeur de mp7 sur cette adaptateur pour jouer avec des chargeur M4 ?


non ils ne seront pas compatibles.

A partir de Ramon | 2023-04-30 20:59:08

Compatibel with VFC Glock? (Glock 18c Gen3)


Hello , no it is not compatible with VFC magazine .
Best regards

A partir de Alexis | 2022-12-01 15:52:50

Compatible avec les glock marui ?


si votre, chargeur est assemblé avec une vis alors il sera compatible.

A partir de Tom | 2022-11-21 23:40:17

Does the G&G GTP 9 Magazine fits with the adapter (GS-GEN3-US) ?


no it will not be compatible.
Best regards.

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