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■ Nitrile 60 degrees (black) for assault rifles (gas)

Compatible models: Common packing for Tokyo Marui gas guns (exception ant) and VSR-10 series. HI-CAPA4.3/5.1 M1911A1 MEU P226 (and E2) GLOCK 17/18/19/26/26ADV SOCOM MK23 HK45 (and tactical) VSR-10 (and G-Speck) Gas blowback MP7A1/M4A1 MWS M40A5 USP M45A1

✅Two rail-shaped projections are placed to stabilize the collection of gas blow-back handguns that use freon gas, whose performance is easily affected by temperature and remaining gas. This structure makes it possible to keep the holding position of bullets that tend to shake sideways.


Two rail-shaped protrusions are arranged to stabilize the collection of gas blow-back handguns that use freon gas, whose performance is easily affected by temperature and remaining gas.
This structure makes it possible to keep the holding position of bullets that tend to shake sideways.


① ammo feeder
The new gas blow packing adopts a cutback at the bullet feed port for cushioning and prevention of backflow air leakage. Almost eliminated nozzle sticking and air loss.

1) Prevents the nozzle from getting caught, enabling smooth bullet feeding.

2) Air leakage is less likely to occur due to the return.

②Long hanging rail
A notch is added to the entrance of the long hanging rail so that the bullet can be held more stably.

*About protrusions
Miyagawa Rubber's packing does not have the crest-like protrusions on Marui's genuine packing.
Originally it seems to be attached to prevent rotation of the packing itself, but if the shaft is fixed by this protrusion
This is because there is a weak point that if there is a gap when the packing is centered (the work of aligning the rail in the middle of the barrel), it cannot be corrected. There is no problem with the product even if there are no protrusions.