Bearing & Nylon Plug (#91 Replacement)
weBearingNylonPlug.jpg

Useless in a GBB rifle such as this.

It attempts to apply the mechanics of an AEG with the Gas Blowback gun ("Spring guide with bearing").

You wouldn't need nor want an item like this in a real AR15, - and you dont want it here.

Spend the money on another magazine.

Not recommended.

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