Inspect magazine before each use and before filling with Green Gas. If Gas is still present in the magazine, release the gas by pressing the release valve located at the top rear of the magazine. Be advised, cold pressurized gas will rapidly escape from the top of the magazine. Stay clear from any exiting gas.

1. Wear proper safety equipment when troubleshooting or participating in airsoft activities
2. Ensure feed lips are intact and free of cracks or deformation.
3. Inspect the center of the fill valve for a small o-ring before filling.
4. Depress and release the release valve and verify the button freely opens and closes.
5. Apply a drop of silicone oil to the top surfaces of the magazine main seal just behind the feed lips, this promotes a proper seal between the magazine and BCG.
6. Replace parts as necessary.
   2.      Ensure feed lips are intact and free of cracks or deformation.
   3.      Inspect the center of the fill valve for a small o-ring before filling.
   4.      Depress and release the release valve and verify the button freely opens and closes.
   5.      Apply a drop of silicone oil to the top surfaces of the magazine main seal just behind the feed lips, this promotes a proper seal between the magazine and BCG.
   6.      Replace parts as necessary.

Pro Tips:
–         Refrain from shaking the can prior to filling.

–         Avoid dropping the magazine. Sudden impact with a hard surface may causedamage to the magazine.
–         When filling Green Gas into a GBB magazine, ensure the magazine is upside down (floor plate up) and the Green Gas can is upside down and vertical with the fill needle inserted downward.
–         30-40 seconds of gas fill may be necessary to get a magazine full of gas. You can also put your ear to the magazine while filling, audibly listen for a faint hissing while the magazine is being filled.
–         Prime the magazine by following this tutorial video: https://youtu.be/ENaN5XEGlhw . Priming the magazine involves all the same steps for filling with the addition of pressing the release valve when initially inserting the Green Gas fill needle. This should be done periodically to reduce air pockets/bubbles from forming inside the magazine.
–         The magazine may become cold after shooting, please allow the magazine to return to room temperature for best results – putting them into pouches or a cargo pocket usually helps with normalizing the magazines temperature.
–         Store Green Gas magazines in a cool, dry area and never leave magazines in direct sunlight.

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Material – Dupont™ Zytel High Performance Reinforced Polymer
Compatibility – PTS Mega Arms MKM AR-15 & AR-15 CQB, and PTS GBB Masada

Disclaimer: This product is for airsoft, training, and simulation purposes only. Utilizing Airsoft products improperly, including in real firearm applications, are potentially dangerous and may cause serious injury. PTS will not accept any responsibility or liability for misuse of this product.

The MS120c mags work with your rifle’s cutoff system to stop the gun from firing whenever you’re out of ammo, offering the ultimate in realism!

*Please note that these magazines work with KWA’s patented mechanical-electrical cutoff system, and cannot be used in non-cutoff AEGs.

This product is made pursuant to license from Magpul to U.S. Pat. No. 9,389,036.

Compatible with:

KWA RM4A1, VM4A1, RM4 Ronin Mlok Recon, PTS C4-10, VM4 Ronin 6 PDW, VM4 Ronin 10 SBR60