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Home » Airsoft Accessories, Attachments & Parts » Airsoft Gun Magazines » Gas Gun Magazines » GLOCK / SAI BLU / Maxim 9 / AAP

Primary Airsoft HPA to M4 Magazine Adapter for TM Hi-CAPA 5.1 Gas Blowback Airsoft Pistols
(Color: Purple)

ID: 123292 (Mag-PA-H-A-M-002-Purple)
PA-H-A-M-002-Purple
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Primary Airsoft

$94.00

MAP ProtectedExempt From Coupons
The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.
Color Options:
ColorBlack$85.00
ColorBlue$94.00
ColorGold$94.00
ColorGreen$94.00
ColorOrange$94.00
ColorPurple$94.00
ColorRed$94.00
ColorSilver$94.00

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Product Description

Features

  • Lightweight glass-reinforced nylon polymer construction with CNC aluminum magazine release
  • Designed to even the playing field when playing Airsoft with a pistol as a primary against AEGs with hi-cap mags.
  • Allows you to use HPA and M4 AEG magazines on your Airsoft pistol
  • Comes pre-equipped with a Foster quick disconnect
  • Includes a longer screw with 2.5mm hex head and new universal feed tube
Our 4th generation Glock M4 adapter is injection molded from a strong glass reinforced nylon material. The magazine release is now CNC machined aluminum for all Gen4 Primary Airsoft adapters.

This adapter allows you to use HPA (high pressure air) and M4 AEG magazines on your Airsoft pistol. To use it you will also need an M4 AEG magazine, paintball tank with low pressure regulator (0-140) psi, a hose with a Foster (polarstar) quick disconnect and of course BBs. The normal operating pressure for green gas is roughly 120 psi depending on the temperature. We recommend that you run you pistol near this pressure and do not exceed 140 psi. Keep in mind that higher pressures can cause excessive wear and damage to the internal components of your Airsoft pistol.

We recommend that you use high quality M4 AEG magazines with strong springs for the most consistent performance. Do not leave your magazines loaded with bbs for an extended period of time as this will cause the springs to fatigue and lose performance. Worn out AEG magazine springs should be replaced with superfeed springs.

Manufacturer: Primary Airsoft

NOTE: The metal quick disconnect fitting in the photos will come installed. The fitting is a US standard Foster Pneumatics 1/8 NPT quick disconnect. The fitting can be changed to any fitting that has 1/8 NPT threads. Be sure not to cross thread the fitting when installing a different one. The adapter does not come with a gun, magazine or any other accessories.

Still Using Green Gas? Power your Gas Blowback Right! Article

'Modification of Green Gas and CO2 magazines to use aftermarket HPA fittings and valves will void all included warranties due to the potential risk of damage from exposure to High pressure and misuse.'

2 Customer Reviews

(Write a review)

by Leo G. on 03/19/2025
"Model: TM Hi-CAPA 5.1 adapter works with Novritsch SSP5 gas Magazine.
by Philip K. on 02/08/2024
"Works Amazing! Seems like it takes forever to run out of BB's.

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Primary Airsoft

About Primary Airsoft

Primary Airsoft was founded with a true passion by the late Bryan Levesque. Continuing Bryan's legacy, the team at Primary Airsoft continues to innovate and improve the hobby we all love with their high quality Airsoft products.