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- Mon Sep 08, 2014 7:52 pm
- Forum: General How-To & Discussion
- Topic: Airsoft GBB to HPA mod
- Replies: 21
- Views: 14227
Re: Airsoft GBB to HPA mod
Is the gbb piece off of a co2 mag? The place that sells this already complete is out of stock so id like to make one.