Jaeger Precision TM AK GBB Alpha Arm 2.0
The Alpha Arm 2.0 is a one-piece hop-up arm for the Tokyo Marui AKM and AKX gas blowback rifles. It needs no separate hop nub: the arm itself is shaped to sit against the hop-up rubber and give a large contact patch, and with no nub to shift out of place it stays solid and consistent.
This second version has a new design that works with more hop-up rubbers and a wider range of BB weights. It will work with any hop-up rubber, but you get the most from it with a rubber that has a large contact patch. Jaeger Precision recommends the Sniper Mechanics Flamingo hop-up rubber (also available in a 50-degree version).
Key specs
- Hop-up arm for the Tokyo Marui AKM and AKX GBBR
- One-piece design; no hop nub required
- Machined from 7075 aluminium
- Anodised gold finish
- Works with any hop-up rubber; best with a large contact patch rubber
- Tested by Jaeger Precision with BB weights from 0.25g to 0.48g
Performance varies with your setup, including the hop-up rubber, barrel length and inner diameter. Jaeger Precision has a video on the arm here: https://youtu.be/4842Id7ppdg. If you are not comfortable with internal work, ask an airsoft technician to fit it.
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